si |siː| — a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors

Siamese |ˌsaɪəˈmiːz| — a branch of the Tai languages

sib |sɪb| — a person's brother or sister

Siberian |saɪˈbɪrɪən| — a native or inhabitant of Siberia

sibilant |ˈsɪbɪlənt| — a consonant characterized by a hissing sound (like s or sh)

sibilate |ˈsɪbɪleɪt| — pronounce with an initial sibilant

sibilation  — a fricative sound (especially as an expression of disapproval)

sibling |ˈsɪblɪŋ| — a person's brother or sister

sibyl |ˈsɪbl| — a woman who tells fortunes

sibylline |ˈsɪbɪlaɪn| — resembling or characteristic of a prophet or prophecy

sic |sɪk| — urge to attack someone

siccative |ˈsɪkədɪv| — a substance that promotes drying (e.g., calcium oxide absorbs water and is used to remove moisture)

sice |saɪs| — (obsolete) The number six in a game of dice.

Sicilian |ˌsɪˈsɪlɪən| — a resident of Sicily

sick |sɪk| — people who are sick

sick-call |ˈsɪkˈkɔːl| — (US, military) A daily lineup of military personnel requiring medical attention.

sick-leave |ˈsɪk liːv| — Paid absence from work specifically to recover from illness.

sick-list |ˈsɪk lɪst| — (idiomatic, informal) A list of people who are ill

sick-pay |ˈsɪk peɪ| — Money paid to an employee during his or her sick leave.

sickbay |ˈsɪkbeɪ| — (nautical) a room for the treatment of the sick or injured (as on a ship)

sickbed |ˈsɪkbed| — the bed on which a sick person lies

sicken |ˈsɪkən| — cause aversion in; offend the moral sense of

sickener |ˈsɪkənər| — One who, or that which, sickens.

sickening |ˈsɪkənɪŋ| — causing or able to cause nausea

sickeningly |ˈsɪkənɪŋlɪ| — in a disgusting manner or to a disgusting degree

sickish |ˈsɪkɪʃ| — feeling nausea; feeling about to vomit

sickle |ˈsɪkl| — an edge tool for cutting grass or crops; has a curved blade and a short handle

sickliness  — The state or characteristic of weakness, incapacity, or physical distress due to poor health, especially of a chronic nature.

sickly |ˈsɪklɪ| — unhealthy looking

sickness |ˈsɪknəs| — impairment of normal physiological function affecting part or all of an organism

sickroom |ˈsɪkruːm| — a room to which a sick person is confined

side |saɪd| — a place within a region identified relative to a center or reference location

side-by-side  — Adjacent.

side-dish |saɪd| — A serving of food meant as an accompanying dish.

side-effect  — (idiomatic) An unintended consequence of any action in addition to the intended consequence of that action.

side-issue |ˈsaɪdˌɪsjuː| — (idiomatic) An issue or topic which is not of direct significance to a primary concern.

side-saddle |ˈsaɪd sædəl| — Alternative spelling of sidesaddle.

side-show |ˈsaɪdˌʃəʊ| — Alternative form of sideshow.

side-slip |ˈsaɪd sliːp| — slide sideways through the air in a downward direction in an airplane along an inclined lateral axis

side-splitting |ˈsaɪd splɪtɪŋ| — Causing much merriment, making one laugh a lot, very funny.

sidebar |ˈsaɪdbɑːr| — (law) a courtroom conference between the lawyers and the judge that is held out of the jury's hearing

sideboard |ˈsaɪdbɔːrd| — a removable board fitted on the side of a wagon to increase its capacity

sideboards |ˈsaɪdbɔːrdz| — plural form of sideboard

sideburns |ˈsɑɪdbɜrnz| — Facial hair reaching from the top of the head down the side of the face to the side of the chin.

sidecar |ˈsaɪdkɑːr| — a cocktail made of orange liqueur with lemon juice and brandy

sidehill |ˈsaɪdhɪl| — (US) The side or slope of a hill; a sloping descent.

sidekick |ˈsaɪdkɪk| — a close friend who accompanies his buddies in their activities

sidelight |ˈsaɪdlaɪt| — light carried by a boat that indicates the boat's direction; vessels at night carry a red light on the port bow and a green light on the starboard bow

sideline |ˈsaɪdlaɪn| — a line that marks the side boundary of a playing field

sidelines |ˈsaɪdˌlaɪnz| — plural form of sideline The lines marking the edges.

sideling |ˈsaɪdlɪŋ| — directed toward one side

sidelong |ˈsaɪdlɔːŋ| — on the side

sidenote  — Alternative form of side note.

sidepiece  — a part forming a side of something

sidereal |saɪˈdɪrɪəl| — of or relating to the stars or constellations

sideroad  — A lesser road leading off a main road.

siderography |ˌsɪdəˈrɑːɡrəfiː| — A 19th-century process of reproducing steel-engraved designs for printing. The design is engraved on a steel block, then hardened and used to transfer a raised-image version to a steel roller under heavy pressure. The roller is then hardened and used as a

sidesaddle |ˈsaɪdsædl| — a saddle for a woman; rider sits with both feet on the same side of the horse

sideshow |ˈsaɪdʃəʊ| — a subordinate incident of little importance relative to the main event

sideslip |ˈsaɪdslɪp| — an unexpected slide

sidesman |ˈsaɪdzmən| — (Church of England) an assistant to the churchwarden; collects offerings of money in the church

sidesplitting |ˈsaɪdˌsplɪtɪŋ| — very funny

sidestep |ˈsaɪdstep| — a step to one side (as in boxing or dancing)

sidestroke |ˈsaɪdstrəʊk| — a swimming stroke in which the arms move forward and backward while the legs do a scissors kick

sidetrack |ˈsaɪdtræk| — a short stretch of railroad track used to store rolling stock or enable trains on the same line to pass

sidewalk |ˈsaɪdwɔːk| — walk consisting of a paved area for pedestrians; usually beside a street or roadway

sidewall |saɪdˈwɔːl| — the side of an automobile tire

sideward |ˈsaɪdwərd| — toward one side

sidewards |ˈsaɪdwədz| — toward one side

sideway  — with one side forward or to the front

sideways |ˈsaɪdweɪz| — with one side forward or to the front

sidewinder |ˈsaɪdwaɪndər| — small pale-colored desert rattlesnake of southwestern United States; body moves in an s-shaped curve

siding |ˈsaɪdɪŋ| — a short stretch of railroad track used to store rolling stock or enable trains on the same line to pass

sidle |ˈsaɪdl| — move unobtrusively or furtively

siege |siːdʒ| — the action of an armed force that surrounds a fortified place and isolates it while continuing to attack

sienna |sɪˈenə| — an earth color containing ferric oxides; used as a pigment

sierra |sɪˈerə| — a range of mountains (usually with jagged peaks and irregular outline)

siesta |sɪˈestə| — a nap in the early afternoon (especially in hot countries)

sieve |sɪv| — a strainer for separating lumps from powdered material or grading particles

sift |sɪft| — move as if through a sieve

sifter |ˈsɪftər| — a household sieve (as for flour)

sifting |ˈsɪftɪŋ| — the act of separating grain from chaff

sigh |saɪ| — an utterance made by exhaling audibly

sighing |ˈsaɪɪŋ| — Present participle of sigh.

sight |saɪt| — an instance of visual perception

sighted |ˈsaɪtɪd| — able to see

sighting |ˈsaɪtɪŋ| — the act of observing

sightless |ˈsaɪtləs| — lacking sight

sightly |saɪtlɪ| — very pleasing to the eye

sightseeing |ˈsaɪtsiːɪŋ| — going about to look at places of interest

sightseer |ˈsaɪtsɪr| — a tourist who is visiting sights of interest

sigma |ˈsɪɡmə| — the 18th letter of the Greek alphabet

sign |saɪn| — a perceptible indication of something not immediately apparent (as a visible clue that something has happened)

sign away |ˈsaɪn əˈweɪ| — formally assign ownership of

sign in |ˈsaɪn ɪn| — announce one's arrival, e.g. at hotels or airports

sign off |ˈsaɪn ˈɒf| — cease broadcasting; get off the air; as of radio stations

sign on |ˈsaɪn ɑːn| — engage by written agreement

sign over |ˈsaɪn ˈəʊvər| — formally assign ownership of

sign up |ˈsaɪn ʌp| — engage by written agreement

signal |ˈsɪɡnəl| — any nonverbal action or gesture that encodes a message

signal-box |ˈsɪɡnəl bɑːks| — A building, typically adjacent to or spanning a railway line, from where signals, points and (sometimes) level crossings are controlled.

signal-to-noise  — the ratio of signal intensity to noise intensity

signalize |ˈsɪɡnəlaɪz| — provide with traffic signals

signaller |ˈsɪɡnələr| — someone who communicates by signals

signalman |ˈsɪɡnəlmən| — a railroad employee in charge of signals and point in a railroad yard

signatory |ˈsɪɡnətɔːrɪ| — someone who signs and is bound by a document

signature |ˈsɪɡnətʃər| — your name written in your own handwriting

signboard |ˈsaɪnbɔːrd| — structure displaying a board on which advertisements can be posted

signed |ˈsaɪnd| — used of the language of the deaf

signer |ˈsaɪnər| — someone who can use sign language to communicate

signet |ˈsɪɡnɪt| — a seal (especially one used to mark documents officially)

signet-ring |ˈsɪɡnət rɪŋ| — A finger ring bearing a signet, seal or coat of arms

significance |sɪɡˈnɪfɪkəns| — the quality of being significant

significancy  — (dated) significance

significant |sɪɡˈnɪfɪkənt| — of considerable importance, size, or worth

significantly |sɪɡˈnɪfɪkəntlɪ| — in a statistically significant way

signification |ˌsɪɡnɪfɪˈkeɪʃn| — the message that is intended or expressed or signified

significative |sɪɡˈnɪfɪkətɪv| — (usually followed by `of') pointing out or revealing clearly

signifier |ˈsɪɡnɪfaɪər| — the phonological or orthographic sound or appearance of a word that can be used to describe or identify something

signify |ˈsɪɡnɪfaɪ| — denote or connote

signifying |ˈsɪɡnəˌfaɪɪŋ| — Present participle of signify.

signing |ˈsaɪnɪŋ| — language expressed by visible hand gestures

signpost |ˈsaɪnpəʊst| — a post bearing a sign that gives directions or shows the way

signwriter |ˈsaɪnraɪtər| — One who writes signs.

Sikh |siːk| — an adherent of Sikhism

silage |ˈsaɪlɪdʒ| — fodder harvested while green and kept succulent by partial fermentation as in a silo

silence |ˈsaɪləns| — the state of being silent (as when no one is speaking)

silenced |ˈsaɪlənst| — reduced to silence

silencer |ˈsaɪlənsər| — short tube attached to the muzzle of a gun that deadens the sound of firing

silent |ˈsaɪlənt| — marked by absence of sound

silently |ˈsaɪləntlɪ| — without speaking

silex |ˈsɪləks| — a pure form of finely ground silica

silhouette |ˌsɪlʊˈet| — an outline of a solid object (as cast by its shadow)

silica |ˈsɪlɪkə| — a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite

silicate |ˈsɪlɪkeɪt| — a salt or ester derived from silicic acid

siliceous |sɪˈlɪʃəs| — relating to or containing or resembling silica

silicic |səˈlɪsɪk| — of, related to, or derived from silica

silicon |ˈsɪlɪkən| — a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors

silicone |ˈsɪlɪkəʊn| — any of a large class of siloxanes that are unusually stable over a wide range of temperatures; used in lubricants and adhesives and coatings and synthetic rubber and electrical insulation

silk |sɪlk| — a fabric made from the fine threads produced by certain insect larvae

silken |ˈsɪlkən| — having a smooth, gleaming surface reflecting light

silkworm |ˈsɪlkwɜːrm| — the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk

silky |ˈsɪlkɪ| — having a smooth, gleaming surface reflecting light

sill |sɪl| — structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure

sillabub |ˈsɪləbʌb| — spiced hot milk with rum or wine

silliness |ˈsɪlɪnəs| — a ludicrous folly

silly |ˈsɪlɪ| — a word used for misbehaving children

silo |ˈsaɪləʊ| — a cylindrical tower used for storing silage

silt |sɪlt| — mud or clay or small rocks deposited by a river or lake

silted |ˈsɪltɪd| — simple past tense and past participle of silt

Silurian |saɪˈljʊərɪən| — from 425 million to 405 million years ago; first air-breathing animals

silvan |ˈsɪlvən| — a spirit that lives in or frequents the woods

silver |ˈsɪlvər| — a soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography

silver-plate |ˈsɪlvərˈpleɪt| — plate with silver

silver-plating  — Present participle of silver plate.

silver-tongued |ˈsɪlvəˈtʌŋd| — expressing yourself readily, clearly, effectively

silverfish |ˈsɪlvərfɪʃ| — silver-grey wingless insect found in houses feeding on book bindings and starched clothing

silvering |ˈsɪlvərɪŋ| — Present participle of silver.

silvern |ˈsɪlvərn| — resembling or reminiscent of silver

silversmith |ˈsɪlvərsmɪθ| — someone who makes or repairs articles of silver

silverware |ˈsɪlvərwer| — tableware made of silver or silver plate or pewter or stainless steel

silvery |ˈsɪlvərɪ| — resembling or reminiscent of silver

silviculture |ˈsɪlvəˌkʌltʃər| — the branch of forestry dealing with the development and care of forests

silviculturist  — Someone who practices silviculture; a forester.

simian |ˈsɪmɪən| — an ape or monkey

similar |ˈsɪmələr| — (of words) expressing closely related meanings

similarity |ˌsɪməˈlærətɪ| — the quality of being similar

similarly |ˈsɪmələrlɪ| — in like or similar manner

simile |ˈsɪməlɪ| — a figure of speech that expresses a resemblance between things of different kinds (usually formed with `like' or `as')

similitude |sɪˈmɪlɪtuːd| — similarity in appearance or character or nature between persons or things

similize |ˈsɪmɪlaɪz| — To liken; to compare.

simmer |ˈsɪmər| — temperature just below the boiling point

simmer down |ˈsɪmər ˈdaʊn| — become quiet or calm, especially after a state of agitation

simmering |ˈsɪmərɪŋ| — cooking in a liquid that has been brought to a boil

simon-pure |ˈsaɪmənˈpjʊə| — (UK) Absolutely pure.

simony |ˈsaɪmənɪ| — traffic in ecclesiastical offices or preferments

simoom |sɪˈmuːm| — a violent hot sand-laden wind on the deserts of Arabia and North Africa

simoon |sɪˈmuːn| — a violent hot sand-laden wind on the deserts of Arabia and North Africa

simp |sɪmp| — (slang) A simple person lacking common sense; a fool or simpleton.

simpatico |sɪmˈpætɪkəʊ| — Having a compatible temperament

simper |ˈsɪmpər| — a silly self-conscious smile

simple |ˈsɪmpl| — any herbaceous plant having medicinal properties

simple-hearted |ˌsɪmpl ˈhɑːrtɪd| — sincere; ingenuous; guileless

simple-minded |ˈsɪmpəl ˈmɑɪndɪd| — lacking subtlety and insight

simple-mindedness  — The property of being simple-minded.

simpleness  — a lack of penetration or subtlety

simpleton |ˈsɪmpltən| — a person lacking intelligence or common sense

simplicity |sɪmˈplɪsətɪ| — the quality of being simple or uncompounded

simplification |ˌsɪmpləfɪˈkeɪʃən| — an explanation that omits superfluous details and reduces complexity

simplified |ˈsɪmpləˌfaɪd| — made more simple, presented in a manner without small details.

simplifier  — Agent noun of simplify; one who simplifies.

simplify |ˈsɪmplɪfaɪ| — make simpler or easier or reduce in complexity or extent

simplism |ˈsɪmplɪzəm| — a simplification that goes too far (to the point of misrepresentation)

simplistic |sɪmˈplɪstɪk| — characterized by extreme and often misleading simplicity

simply |ˈsɪmplɪ| — and nothing more

simulacra |ˌsɪmjʊˈleɪkrə| — plural form of simulacrum

simulacrum |ˌsɪmjʊˈleɪkrəm| — an insubstantial or vague semblance

simulant |ˈsɪmjʊlənt| — Something that simulates something else such as, for example, a gemstone.

simulate |ˈsɪmjʊleɪt| — reproduce someone's behavior or looks

simulated |ˈsɪmjʊleɪtɪd| — not genuine or real; being an imitation of the genuine article

simulating |ˈsɪmjəˌletɪŋ| — Present participle of simulate.

simulation |ˌsɪmjəˈleɪʃən| — the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training)

simulator |ˈsɪmjʊleɪtər| — a machine that simulates an environment for the purpose of training or research

simultaneity |ˌsɪmltəˈnɪətɪ| — happening or existing or done at the same time

simultaneous |ˌsaɪmlˈteɪnɪəs| — occurring or operating at the same time

simultaneously |ˌsaɪmlˈteɪnɪəslɪ| — at the same instant

simultaneousness |ˌsɪmlˈteɪnɪəsnəs| — happening or existing or done at the same time

sin |sɪn| — estrangement from god

sinapism |ˈsɪnəˌpɪzəm| — a plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient

since |sɪns| — From a specified time in the past.

sincere |sɪnˈsɪr| — characterized by a firm and humorless belief in the validity of your opinions

sincerely |sɪnˈsɪrlɪ| — with sincerity; without pretense

sincerity |sɪnˈserətɪ| — an earnest and sincere feeling

sinciput |ˈsɪnsəpət| — the front part of the head or skull (including the forehead)

sine |saɪn| — ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle

sinecure |ˈsaɪnɪkjʊr| — a benefice to which no spiritual or pastoral duties are attached

sinew |ˈsɪnjuː| — a cord or band of inelastic tissue connecting a muscle with its bony attachment

sinews |ˈsɪˌnjuːz| — plural form of sinew

sinewy |ˈsɪnjuːɪ| — (of meat) full of sinews; especially impossible to chew

sinfonia |ˌsɪnˈfəʊnɪə| — A symphony.

sinful |ˈsɪnfl| — characterized by iniquity; wicked because it is believed to be a sin

sinfulness |ˈsɪnfəlnəs| — estrangement from god

sing |sɪŋ| — deliver by singing

singe |sɪndʒ| — a surface burn

singer |ˈsɪŋər| — a person who sings

Singhalese |ˌsɪŋhəˈliːz| — a native or inhabitant of Sri Lanka

singing |ˈsɪŋɪŋ| — the act of singing vocal music

single |ˈsɪŋɡl| — a base hit on which the batter stops safely at first base

single-acting |ˈsɪŋɡlˈæktɪŋ| — (engineering) Having simplicity of action; especially acting or exerting force during strokes in one direction only; said of a reciprocating engine, pump, etc.

single-breasted |ˌsɪŋɡl ˈbrestɪd| — (of clothing) closing with a narrow overlap and fastened with a single row of buttons

single-celled  — having a single cell (and thus not divided into cells)

single-handed |ˈsɪŋɡəlˈhændəd| — without assistance

single-handedly |ˌsɪŋɡəlˈhændədlɪ| — without assistance

single-hearted |ˈsɪŋɡlˈhɑːtɪd| — Having an honest heart; free from duplicity.

single-minded |ˌsɪŋɡl ˈmaɪndɪd| — determined

single-mindedness  — characterized by one unified purpose

single-parent  — A parent who is the only guardian of an offspring.

single-sex |sɪŋɡ(ə)lˈseks| — Suitable, or used, by only one gender.

single-track  — A narrow mountain biking trail that is approximately the width of the bike, as opposed to double track, or fireroad, which is wide enough for four-wheeled off-road vehicles.

singleness |ˈsɪŋɡlnəs| — without hypocrisy

singles |ˈsɪŋɡəlz| — badminton played with one person on each side

singlestick |ˈsɪŋɡlstɪk| — a stick used instead of a sword for fencing

singlet |ˈsɪŋɡlət| — a collarless men's undergarment for the upper part of the body

singleton |ˈsɪŋɡltən| — a single object (as distinguished from a pair)

singly |ˈsɪŋɡlɪ| — one by one; one at a time

singsong |ˈsɪŋˌsɔːŋ| — a regular and monotonous rising and falling intonation

singular |ˈsɪŋɡjələr| — the form of a word that is used to denote a singleton

singularity |ˌsɪŋɡjʊˈlærətɪ| — the quality of being one of a kind

singularly |ˈsɪŋɡjələrlɪ| — in a singular manner or to a singular degree

Sinhalese |ˌsɪnhəˈliːz| — a native or inhabitant of Sri Lanka

sinister |ˈsɪnɪstər| — threatening or foreshadowing evil or tragic developments

sinistrorsal  — spiraling upward from right to left

sinistrous |ˈsɪnɪstrəs| — (archaic) On the left side; inclined to the left; sinistral.

sink |sɪŋk| — plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe

sinker |ˈsɪŋkər| — a small ring-shaped friedcake

sinkhole |ˈsɪŋkhəʊl| — a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof

sinking |ˈsɪŋkɪŋ| — a descent as through liquid (especially through water)

sinless |ˈsɪnlɪs| — free from sin

sinner |ˈsɪnər| — a person who sins (without repenting)

sinologist |saɪˈnɒlədʒɪst| — a student of Chinese history and language and culture

sinologue |ˈsaɪnəˌlɑːɡ| — A student of Chinese; one versed in the Chinese language, literature, and history.

sinology |saɪˈnɑːlədʒɪ| — the study of Chinese history and language and culture

sinter |ˈsɪn(t)ər| — cause (ores or powdery metals) to become a coherent mass by heating without melting

sinuate |ˈsɪnjʊət| — curved or curving in and out

sinuosity |ˌsɪnjʊˈɒsɪtɪ| — having curves

sinuous |ˈsɪnjʊəs| — curved or curving in and out

sinus |ˈsaɪnəs| — an abnormal passage leading from a suppurating cavity to the body surface

sinusitis |ˌsaɪnəˈsaɪtɪs| — inflammation of one of the paranasal sinuses

Sioux |suː| — a member of a group of North American Indian peoples who spoke a Siouan language and who ranged from Lake Michigan to the Rocky Mountains

sip |sɪp| — a small drink

siphon |ˈsaɪfn| — a tube running from the liquid in a vessel to a lower level outside the vessel so that gravity forces the liquid through the tube

sipid  — (obsolete) Having a taste or flavour; savoury; sapid.

sippet |ˈsɪpɪt| — A small piece of something, especially a piece of toast or fried bean eaten with soup or gravy.

sir |sɜːr| — term of address for a man

sircar |ˈsɜːrkɑːr| — (India) A Hindu clerk or accountant.

sirdar |ˈsɜːdɑːrr| — an important person in India

sire |ˈsaɪər| — a title of address formerly used for a man of rank and authority

siren |ˈsaɪrən| — a sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where the nymphs lived

sirenical  — Like, or appropriate to, a siren; fascinating; deceptive.

sirenize  — To use the enticements of a siren; to fascinate.

sirloin |ˈsɜːrlɔɪn| — the portion of the loin (especially of beef) just in front of the rump

sirocco |sɪˈrɑːkəʊ| — a windstorm that lifts up clouds of dust or sand

sirrah |ˈsɪrə| — formerly a contemptuous term of address to an inferior man or boy; often used in anger

sirup |ˈsɪrəp| — a thick sweet sticky liquid

sis |sɪs| — a female person who has the same parents as another person

sisal |ˈsaɪsl| — a plant fiber used for making rope

siskin |ˈsɪskɪn| — small yellow-and-black Eurasian finch with a sharp beak

sissified |ˈsɪsɪfaɪd| — having unsuitable feminine qualities

sissy |ˈsɪsɪ| — a timid man or boy considered childish or unassertive

sister |ˈsɪstər| — a female person who has the same parents as another person

sister-in-law |ˈsɪstərɪnˌlɔːr| — the sister of your spouse

sisterhood |ˈsɪstərhʊd| — the kinship relation between a female offspring and the siblings

sisterly |ˈsɪstərlɪ| — like or characteristic of or befitting a sister

Sisyphean |ˌsɪsɪˈfiːən| — both extremely effortful and futile

sit |sɪt| — be seated

sit back |ˈsɪt ˈbæk| — settle into a comfortable sitting position

sit by |ˈsɪt baɪ| — be inactive or indifferent while something is happening

sit down |ˈsɪt ˌdaʊn| — take a seat

sit in |ˈsɪd ˌɪn| — attend as a visitor

sit out |ˈsɪt ˈaʊt| — not participate in (an activity, such as a dance or a sports event)

sit up |ˈsɪd ˌəp| — not go to bed

sit-down |ˈsɪt ˌdaʊn| — a strike in which workers refuse to leave the workplace until a settlement is reached

sit-in |ˈsɪd ˌɪn| — a form of civil disobedience in which demonstrators occupy seats and refuse to move

sit-up |ˈsɪd ˌəp| — a stomach exercise in which a person sits up from a supine position without using the arms for leverage

sitcom |ˈsɪtkɑːm| — a humorous drama based on situations that might arise in day-to-day life

site |saɪt| — the piece of land on which something is located (or is to be located)

sithe |ˈsaɪð| — Obsolete form of scythe.. The spelling with /sc-/ was influenced by unrelated Latin word scissor (“cutter”), and scindere (“to split”).

siting |ˈsaɪtɪŋ| — Present participle of site.

sitter |ˈsɪtər| — Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934)

sitting |ˈsɪtɪŋ| — (photography) the act of assuming a certain position (as for a photograph or portrait)

sitting-room |ˈsɪtɪŋ ruːm| — A living-room; a room in a house where people pass the time in leisure.

situate |ˈsɪtʃʊeɪt| — determine or indicate the place, site, or limits of, as if by an instrument or by a survey

situated |ˈsɪtʃuːˌetəd| — situated in a particular spot or position

situation |ˌsɪtʃʊˈeɪʃn| — the general state of things; the combination of circumstances at a given time

situational |ˌsɪtʃuːˈeɪʃənəl| — Of or pertaining to a particular situation.

sitzkrieg |ˈsɪtskriːɡ| — warfare without progress, a stalemate

six |sɪks| — the cardinal number that is the sum of five and one

six-footer |sɪks ˈfʊtər| — a person who is at least six feet tall

six-shooter |ˈsɪks ʃuːtər| — a pistol with a revolving cylinder (usually having six chambers for bullets)

sixer |ˈsɪksər| — the cardinal number that is the sum of five and one

sixfold |ˈsɪksfəʊld| — by a factor of six

sixpence |ˈsɪkspəns| — a small coin of the United Kingdom worth six pennies; not minted since 1970

sixpenny |ˈsɪkspənɪ| — of trifling worth

sixteen |ˌsɪksˈtiːn| — the cardinal number that is the sum of fifteen and one

sixteenmo |ˈsɪksˈtiːnməʊ| — sextodecimo (as a paper size in printing).

sixteenth |ˌsɪksˈtiːnθ| — position 16 in a countable series of things

sixth |sɪksθ| — position six in a countable series of things

sixthly |ˈsɪksθlɪ| — in the sixth place

sixties |ˈsɪkstɪz| — the decade from 1960 to 1969

sixtieth |ˈsɪkstɪəθ| — position 60 in a countable series of things

sixty |ˈsɪkstɪ| — the cardinal number that is the product of ten and six

sixty-five  — being five more than sixty

sixty-four  — being four more than sixty

sizable |ˈsɑɪzəbəl| — fairly large in size

sizar |ˈsaɪzər| — (UK) At certain universities, e.g. Cambridge and Dublin, a student who receives an allowance for his college expenses (study grant); originally in return for serving other (paying) students.

size |saɪz| — the physical magnitude of something (how big it is)

size up |ˈsaɪz ʌp| — to look at critically or searchingly, or in minute detail

sizeable |ˈsaɪzəbl| — fairly large in size

sizzle |ˈsɪzl| — a sizzling noise

sizzling |ˈsɪzlɪŋ| — hot enough to burn with or as if with a hissing sound