rub |rʌb| — an unforeseen obstacle

rub along |ˈrəb əˈlɔːŋ| — manage one's existence barely

rub down |ˈrəb ˈdaʊn| — wear away

rub off |ˈrəb ˈɒf| — wear away

rub up |ˈrəb ʌp| — a review that refreshes your memory

rub-a-dub |ˌrʌb ə ˈdʌb| — the sound made by beating a drum

rubber |ˈrʌbər| — an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products

rubber-stamp |ˈrəbər stamp| — (figuratively) Of a person, organisation, or process, making decisions or approving matters routinely or without real power, as rubber stamp politics, a rubber stamp committee.

rubbered |ˈrʌbəd| — Treated or coated with rubber.

rubberize |ˈrʌbəˌraɪz| — coat or impregnate with rubber

rubberized |ˈrʌbəˌraɪzd| — simple past tense and past participle of rubberize

rubberneck |ˈrʌbərnek| — a tourist who is visiting sights of interest

rubbers |ˈrʌbərz| — plural form of rubber

rubbery |ˈrʌbərɪ| — having an elastic texture resembling rubber in flexibility or toughness

rubbing |ˈrʌbɪŋ| — the resistance encountered when one body is moved in contact with another

rubbish |ˈrʌbɪʃ| — worthless material that is to be disposed of

rubbishy |ˈrʌbɪʃɪ| — cheap and inferior; of no value

rubble |ˈrʌbl| — the remains of something that has been destroyed or broken up

rubdown |ˈrʌbˌdɑʊn| — the act of rubbing down, usually for relaxation or medicinal purposes

rube |ˈruːb| — a person who is not very intelligent or interested in culture

rubella |ruːˈbelə| — a contagious viral disease that is a milder form of measles lasting three or four days; can be damaging to a fetus during the first trimester

Rubicon |ˈruːbɪkɑːn| — the boundary in ancient times between Italy and Gaul; Caesar's crossing it with his army in 49 BC was an act of war

rubicund |ˈruːbɪkənd| — inclined to a healthy reddish color often associated with outdoor life

rubidium |rʊˈbɪdɪəm| — a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite

rubify |ˈruːbɪfaɪ| — make ruby red

rubiginous |ruːˈbɪdʒɪnəs| — Alternative form of rubiginose.

rubious |ˈruːbiːəs| — (obsolete) red; ruddy

ruble |ˈruːbəl| — the basic unit of money in Tajikistan

rubric |ˈruːbrɪk| — an authoritative rule of conduct or procedure

rubricate |ˈruːbrəˌkeɪt| — place in the church calendar as a red-letter day honoring a saint

ruby |ˈruːbɪ| — a transparent piece of ruby that has been cut and polished and is valued as a precious gem

ruche |ruːʃ| — A strip of fabric used for trimming.

ruck |rʌk| — a crowd especially of ordinary or undistinguished persons or things

ruckle |ˈrəkəl| — make a hoarse, rattling sound

rucksack |ˈrʌksæk| — a bag carried by a strap on your back or shoulder

ruction |ˈrʌkʃən| — the act of making a noisy disturbance

rudder |ˈrʌdər| — a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes

rudderless |ˈrʌdərləs| — aimlessly drifting

rudderpost  — a vertical post at the forward edge of a rudder that enables the rudder to pivot

ruddiness |ˈrʌdɪnɪs| — a healthy reddish complexion

ruddle |ˈrədl| — a red iron ore used in dyeing and marking

ruddock |ˈrədək| — (obsolete) The European robin.

ruddy |ˈrʌdɪ| — inclined to a healthy reddish color often associated with outdoor life

rude |ruːd| — socially incorrect in behavior

rudely |ˈruːdlɪ| — in an impolite manner

rudeness |ˈruːdnəs| — a manner that is rude and insulting

rudiment |ˈruːdəmənt| — the remains of a body part that was functional at an earlier stage of life

rudimentary |ˌruːdɪˈmentrɪ| — being or involving basic facts or principles

rudiments |ˈruːdəmənts| — a statement of fundamental facts or principles

rue |ruː| — European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy

rueful |ˈruːfl| — feeling or expressing pain or sorrow for sins or offenses

ruefully |ˈruːfəlɪ| — in a rueful manner

ruff |rʌf| — an external body part consisting of feathers or hair about the neck of a bird or other animal

ruffed |rʌft| — having a ruff

ruffian |ˈrʌfɪən| — a cruel and brutal fellow

ruffianism |ˈrʌfɪənɪzəm| — violent lawless behavior

ruffianly |ˈrʌfɪənlɪ| — violent and lawless

ruffle |ˈrʌfl| — a strip of pleated material used as a decoration or a trim

rufous |ˈruːfəs| — of a red, reddish colour

rug |rʌɡ| — floor covering consisting of a piece of thick heavy fabric (usually with nap or pile)

Rugby |ˈrʌɡbɪ| — a form of football played with an oval ball

rugged |ˈrʌɡɪd| — topographically very uneven

rugger |ˈrʌɡər| — a form of football played with an oval ball

rugose |ˈruːɡəʊs| — of leaves; ridged or wrinkled

rugosity |ruːˈɡɑːsɪtiː| — (uncountable) The state of being rugose

rugous |ˈruːɡəs| — wrinkled; rugose

ruin |ˈruːɪn| — an irrecoverable state of devastation and destruction

ruination |ˌruːɪˈneɪʃn| — an irrecoverable state of devastation and destruction

ruined |ˈruːənd| — destroyed physically or morally

ruiner  — a person who destroys or ruins or lays waste to

ruinous |ˈruːɪnəs| — extremely harmful; bringing physical or financial ruin

ruins |ˈruːənz| — plural form of ruin

rule |ruːl| — a principle or condition that customarily governs behavior

rule out |ˈruːl ˈaʊt| — make impossible, especially beforehand

ruled |ˈruːld| — subject to a ruling authority

ruler |ˈruːlər| — a person who rules or commands

ruling |ˈruːlɪŋ| — the reason for a court's judgment (as opposed to the decision itself)

rum |rʌm| — liquor distilled from fermented molasses

rum-runner |ˈrʌm rʌnər| — (US) an alcohol smuggler, especially from the Prohibition era.

Rumanian |ruːˈmeɪnɪən| — an eastern Romance language spoken in Romania

rumba |ˈrʌmbə| — syncopated music in duple time for dancing the rumba

rumble |ˈrʌmbl| — a loud low dull continuous noise

rumbling |ˈrʌmblɪŋ| — a loud low dull continuous noise

rumblings |ˈrʌmbəlɪŋz| — plural form of rumbling

rumbustious |rʌmˈbʌstʃəs| — noisy and lacking in restraint or discipline

rumen |ˈruːmən| — the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing

ruminant |ˈruːmɪnənt| — any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments

ruminate |ˈruːmɪneɪt| — chew the cuds

rumination |ˌruːməˈneɪʃən| — a calm, lengthy, intent consideration

rummage |ˈrʌmɪdʒ| — a jumble of things to be given away

rummer |ˈrəmər| — a large drinking glass (ovoid bowl on a stem) for drinking toasts

rummy |ˈrʌmɪ| — a chronic drinker

rumor |ˈruːmər| — gossip (usually a mixture of truth and untruth) passed around by word of mouth

rumormongering |ˈruːməˌmʌŋɡərɪŋ| — Present participle of rumormonger.

rumour |ˈruːmər| — gossip (usually a mixture of truth and untruth) passed around by word of mouth

rumoured |ˈruːməd| — simple past tense and past participle of rumour

rump |rʌmp| — the part of an animal that corresponds to the human buttocks

rumple |ˈrʌmpl| — disturb the smoothness of

rumpus |ˈrʌmpəs| — the act of making a noisy disturbance

rumrunner |ˈrʌmˌrʌnər| — someone who illegally smuggles liquor across a border

run |rʌn| — a score in baseball made by a runner touching all four bases safely

run along |ˈrən əˈlɔːŋ| — be in line with; form a line along

run around |ˈrən əˈraʊnd| — play boisterously

run away |ˈrən əˈweɪ| — flee; take to one's heels; cut and run

run down |ˈrən ˈdaʊn| — trace

run off |ˈrən ˈɒf| — run away; usually includes taking something or somebody along

run on |ˈrən ɑːn| — talk or narrate at length

run out |ˈrən ˈaʊt| — become used up; be exhausted

run over |ˈrən ˈəʊvər| — injure or kill by knocking (someone or something) down and passing over the body, as with a vehicle

run through |ˈrən θruː| — apply thoroughly; think through

run up |ˈrə ˌnəp| — pile up (debts or scores)

run-down |ˈrənˈdaʊn| — worn and broken down by hard use

run-in |ˈrən ˌɪn| — an angry dispute

run-of-the-mill |ˌrʌnəvðəˈmɪl| — not special in any way; lacking distinction

run-on |ˈrəˈnɑːn| — (verse) without a rhetorical pause between lines

run-out |ˈrʌnˌaʊt| — Alternative spelling of runout.

run-through |ˈrʌn θruː| — an uninterrupted rehearsal

run-up |ˈrə ˌnəp| — a substantial increase over a relatively short period of time

runabout |ˈrʌnəbaʊt| — an open automobile having a front seat and a rumble seat

runagate |ˈrʌnəˌɡeɪt| — A deserter, renegade or apostate.

runaway |ˈrʌnəweɪ| — an easy victory

rundown |ˈrʌndaʊn| — a concluding summary (as in presenting a case before a law court)

rune |ruːn| — any character from an ancient Germanic alphabet used in Scandinavia from the 3rd century to the Middle Ages

rung |rʌŋ| — a crosspiece between the legs of a chair

runic |ˈruːnɪk| — relating to or consisting of runes

runlet |ˈrənlət| — A small stream or brook.

runnel |ˈrʌnl| — a small stream

runner |ˈrʌnər| — someone who imports or exports without paying duties

runner-up |ˈˌrənər ˈəp| — the competitor who finishes second

running |ˈrʌnɪŋ| — (American football) a play in which a player attempts to carry the ball through or past the opposing team

running-board |ˈrʌnɪŋ bɔːrd| — A narrow board serving as a step beneath the doors of some cars.

runny |ˈrʌnɪ| — characteristic of a fluid; capable of flowing and easily changing shape

runoff |ˈrʌnˌɔːf| — the occurrence of surplus liquid (as water) exceeding the limit or capacity

runout |ˈrʌnˌaʊt| — Something that has been run out.

runt |rʌnt| — disparaging terms for small people

runty  — well below average height

runup |ˈrəˌnəp| — a substantial increase over a relatively short period of time

runway |ˈrʌnweɪ| — a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll

rupee |ruːˈpiː| — the basic unit of money in Sri Lanka; equal to 100 cents

rupiah |ruːˈpaɪə| — the basic unit of money in Indonesia; equal to 100 sen

rupture |ˈrʌptʃər| — state of being torn or burst open

rural |ˈrʊrəl| — living in or characteristic of farming or country life

ruse |ruːz| — a deceptive maneuver (especially to avoid capture)

rush |rʌʃ| — the act of moving hurriedly and in a careless manner

rush-hours |ˈrʌʃˈaʊəz| — plural form of rush hour

rushlight |ˈrʌʃlaɪt| — a tallow candle with a rush stem as the wick

rushy |ˈrʌʃɪ| — abounding in rushes

rusk |rʌsk| — slice of sweet raised bread baked again until it is brown and hard and crisp

russell |ˈrəsəl| — United States religious leader who founded the sect that is now called Jehovah's Witnesses (1852-1916)

russet |ˈrʌsɪt| — a reddish brown homespun fabric

Russian |ˈrʌʃn| — a native or inhabitant of Russia

rust |rʌst| — a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

rust-colored  — having the brown color of rust

rust-resistant  — resistant to rust

rustic |ˈrʌstɪk| — an unsophisticated country person

rusticate |ˈrʌstɪkeɪt| — live in the country and lead a rustic life

rustication |ˌrʌstəˈkeɪʃən| — the condition naturally attaching to life in the country

rusticity |rʌˈstɪsɪtɪ| — the quality of being rustic or gauche

rustle |ˈrʌsl| — a light noise, like the noise of silk clothing or leaves blowing in the wind

rustler |ˈrʌslər| — someone who steals livestock (especially cattle)

rustless |ˈrʌstləs| — without rust

rustling |ˈrʌsəlɪŋ| — the stealing of cattle

rustproof |ˈrʌstpruːf| — treated against rusting

rusty |ˈrʌstɪ| — covered with or consisting of rust

rut |rʌt| — a groove or furrow (especially one in soft earth caused by wheels)

rutabaga |ˌruːtəˈbeɪɡə| — the large yellow root of a rutabaga plant used as food

ruth |ˈruːθ| — United States professional baseball player famous for hitting home runs (1895-1948)

ruthenium |ruːˈθiːnɪəm| — a rare polyvalent metallic element of the platinum group; it is found associated with platinum

ruthful  — feeling or expressing pain or sorrow for sins or offenses

ruthless |ˈruːθləs| — without mercy or pity

ruthlessly |ˈruːθləslɪ| — in a ruthless manner

rutted |ˈrʌtəd| — full of ruts

rutty |ˈrʌtiː| — full of ruts