or |ɔːr| — a state in northwestern United States on the Pacific

orach |ˈɔːrətʃ| — any of various herbaceous plants of the genus Atriplex that thrive in deserts and salt marshes

orache |ˈɒrətʃ| — any of various herbaceous plants of the genus Atriplex that thrive in deserts and salt marshes

oracle |ˈɔːrəkl| — an authoritative person who divines the future

oracular |əˈrækjələr| — obscurely prophetic

oral |ˈɔːrəl| — an examination conducted by spoken communication

orally |ˈɔːrəlɪ| — (of drugs) through the mouth rather than through injection; by mouth

orang |ˈɔːræŋ| — large long-armed ape of Borneo and Sumatra having arboreal habits

orang-outang |ɔːˌræŋətæn| — Dated form of orangutan.

orang-utan |əˈræŋ ətæn| — Alternative spelling of orangutan.

orange |ˈɔːrɪndʒ| — round yellow to orange fruit of any of several citrus trees

orange-blossom |ˈɒrɪndʒˌblɒsəm| — The white flower of the orange tree Citrus sinensis.

orange-peel |ˈɒrɪndʒpiːl| — (literally) The skin of an orange, including the pith.

orange-tip |ˈɒrɪndʒtɪp| — A white butterfly with orange tipped wings, Anthocharis cardamines, of the family Pieridae.

orangeade |ˌɔːrɪndʒˈeɪd| — sweetened beverage of diluted orange juice

Orangeman |ˈɔːrɪndʒmən| — a member of a society founded in Ireland in 1795 to uphold Protestantism and the British sovereign

orangery |ˈɔːrɪndʒərɪ| — a place where oranges are grown; a plantation of orange trees in warm climes or a greenhouse in cooler areas

orangoutang |ɔːˌræŋətæn| — Alternative spelling of orangutan.

orangutan |ɔːˌræŋətæn| — large long-armed ape of Borneo and Sumatra having arboreal habits

orate |ɔːrˈreɪt| — talk pompously

oration |ɔːˈreɪʃn| — an instance of oratory

orator |ˈɔːrətər| — a person who delivers a speech or oration

oratorical |ˌɔːrəˈtɔːrɪkl| — characteristic of an orator or oratory

oratorio |ˌɔːrəˈtɔːrɪəʊ| — a musical composition for voices and orchestra based on a religious text

oratorios |ˌɒrəˈtɔːrɪəʊz| — plural form of oratorio

oratory |ˈɔːrətɔːrɪ| — addressing an audience formally (usually a long and rhetorical address and often pompous)

orb |ɔːrb| — the ball-shaped capsule containing the vertebrate eye

orbed |ɔːbd| — Having the form of an orb; round; spherical.

orbicular |ɔːrˈbɪkjələr| — circular or nearly circular

orbit |ˈɔːrbɪt| — the (usually elliptical) path described by one celestial body in its revolution about another

orbital |ˈɔːrbɪtl| — of or relating to an orbit

orbiter |ˈɔːrbɪtər| — man-made equipment that orbits around the earth or the moon

orbiting |ˈɔːrbətɪŋ| — Present participle of orbit.

orchard |ˈɔːrtʃərd| — garden consisting of a small cultivated wood without undergrowth

orcharding |ɔːrtʃədiːŋ| — The growing of fruit in an orchard.

orchardman |ɔːrtʃədmən| — A man who owns or tends an orchard.

orchestra |ˈɔːrkɪstrə| — a musical organization consisting of a group of instrumentalists including string players

orchestral |ɔːrˈkestrəl| — relating to or composed for an orchestra

orchestrate |ˈɔːrkɪstreɪt| — write an orchestra score for

orchestration |ˌɔːrkˈstreɪʃn| — an arrangement of a piece of music for performance by an orchestra or band

orchestrion |ɔːrˈkestriːən| — (music) A mechanical multiple musical instrument designed to sound like an orchestra or band.

orchid |ˈɔːrkɪd| — any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors

orchidaceous |ˌɔːrkɪˈdeɪʃəs| — (botany) Of or pertaining to orchids.

orchil |ˈɔːrtʃɪl| — a purplish dye obtained from orchil lichens

orchis |ˈɔːrkɪs| — any of various deciduous terrestrial orchids having fleshy tubers and flowers in erect terminal racemes

ordain |ɔːrˈdeɪn| — order by virtue of superior authority; decree

ordained |ɔːrˈdeɪnd| — fixed or established especially by order or command

ordeal |ɔːrˈdiːl| — a severe or trying experience

order |ˈɔːrdər| — (often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed

ordered |ˈɔːrdərd| — having a systematic arrangement; especially having elements succeeding in order according to rule

ordering |ˈɔːrdərɪŋ| — logical or comprehensible arrangement of separate elements

orderliness |ˈɔːrdərlɪnəs| — the quality of appreciating method and system

orderly |ˈɔːrdərlɪ| — a soldier who serves as an attendant to a superior officer

orders |ˈɔːrdərz| — plural form of order

ordinal |ˈɔːrdənl| — the number designating place in an ordered sequence

ordinance |ˈɔːrdɪnəns| — an authoritative rule

ordinarily |ˌɔːrdnˈerəlɪ| — under normal conditions

ordinariness |ˈɔːrdnrɪ| — the quality of being commonplace and ordinary

ordinary |ˈɔːrdnerɪ| — a judge of a probate court

ordination |ˌɔːrdnˈeɪʃn| — the status of being ordained to a sacred office

ordnance |ˈɔːrdnəns| — military supplies

ordonnance |ˈɔːdənəns| — (art) The disposition of the parts of any composition with regard to one another and the whole.

ordure |ˈɔːrdʒər| — solid excretory product evacuated from the bowels

ore |ɔːr| — a mineral that contains metal that is valuable enough to be mined

ore-dressing |ˈɔːˌdresɪŋ| — Any treatment of an ore used to concentrate its valuable constituents (minerals) into products (concentrate) of smaller bulk, and simultaneously to collect the worthless material (gangue) into discardable waste (tailings).

oread |ˈɔːriːæd| — (Greek mythology) one of the mountain nymphs

organ |ˈɔːrɡən| — a fully differentiated structural and functional unit in an animal that is specialized for some particular function

organ-grinder |ˈɔːrɡən ɡraɪndər| — a street musician who plays a hand organ or hurdy-gurdy

organdie |ˈɔːrɡəndɪ| — a sheer stiff muslin

organdy |ˈɔːrɡəndiː| — a sheer stiff muslin

organelle |ˌɔːɡəˈnel| — a specialized part of a cell; analogous to an organ

organic |ɔːrˈɡænɪk| — a fertilizer that is derived from animal or vegetable matter

organically |ɔːrˈɡænɪklɪ| — as an important constituent

organism |ˈɔːrɡənɪzəm| — a living thing that has (or can develop) the ability to act or function independently

organist |ˈɔːrɡənɪst| — a person who plays an organ

organization |ˌɔːrɡənəˈzeɪʃn| — a group of people who work together

organizational |ˌɔːrɡənəˈzeɪʃənl| — of or relating to an organization

organize |ˈɔːrɡənaɪz| — create (as an entity)

organized |ˈɔːrɡənaɪzd| — being a member of or formed into a labor union

organizer |ˈɔːrɡənaɪzər| — a person who brings order and organization to an enterprise

organizing |ˈɔːrɡəˌnaɪzɪŋ| — The act of rearranging elements following one or more rules.

organotherapy |ˌɔːrɡənəʊˈθerəpiː| — (medicine) The therapeutic use of the endocrine organs (glandular extracts) of animals

orgasm |ˈɔːrɡæzəm| — the moment of most intense pleasure in sexual intercourse

orgeat |ˈɔːrʒæt| — A sweet syrup made from sugar and almonds (originally barley) and rose water or orange flower water.

orgiastic |ˌɔːrdʒɪˈæstɪk| — used of frenzied sexual activity

orgy |ˈɔːrdʒɪ| — any act of immoderate indulgence

oriel |ˈɔːrɪəl| — a projecting bay window corbeled or cantilevered out from a wall

orient |ˈɔːrɪənt| — the countries of Asia

oriental |ˌɔːrɪˈentl| — denoting or characteristic of countries of the Far East

orientalism |ˌɔːrɪˈentəlɪzm| — the scholarly knowledge of Asian cultures and languages and people

orientalist |ˌɔːrɪˈentəlɪst| — a specialist in oriental subjects

orientalize |ˌɔːrɪˈentəlaɪz| — make oriental in character

orientate |ˈɔːrɪənteɪt| — determine one's position with reference to another point

orientation |ˌɔːrɪənˈteɪʃn| — the act of orienting

oriented |ˈɔːrɪˌentəd| — adjusted or located in relation to surroundings or circumstances; sometimes used in combination

orifice |ˈɔːrɪfɪs| — an aperture or hole that opens into a bodily cavity

oriflamme |ˈɒrɪflam| — an inspiring symbol or ideal that serves as a rallying point in a struggle

origanum |əˈrɪɡənəm| — any of various fragrant aromatic herbs of the genus Origanum used as seasonings

origin |ˈɔːrɪdʒɪn| — the place where something begins, where it springs into being

original |əˈrɪdʒənl| — an original creation (i.e., an audio recording) from which copies can be made

originality |əˌrɪdʒəˈnælətɪ| — the ability to think and act independently

originally |əˈrɪdʒənəlɪ| — in an original manner

originate |əˈrɪdʒɪneɪt| — come into existence; take on form or shape

originated |əˈrɪdʒəneɪtəd| — simple past tense and past participle of originate

origination |əˌrɪdʒəˈneɪʃən| — an event that is a beginning; a first part or stage of subsequent events

originative |əˈrɪdʒəneɪtɪv| — containing seeds of later development

originator |əˈrɪdʒɪneɪtər| — someone who creates new things

orinasal |ˌɔːriːˈneɪzəl| — a speech sound produced with both the oral and nasal passages open (as French nasal vowels)

oriole |ˈɔːrɪəʊl| — mostly tropical songbird; the male is usually bright orange and black

Orion |ɒˈraɪən| — (Greek mythology) a giant Boeotian hunter who pursued the Pleiades and was eventually slain by Artemis; was then placed in the sky as a constellation

orison |ˈɒrɪzən| — reverent petition to a deity

orlop |ˈɔːrlɑːp| — the fourth or lowest deck

orlop-deck |ˈɔːlɒpdek| — (nautical) An orlop, the lowest deck in a ship.

ormolu |ˈɔːrməluː| — brass that looks like gold; used to decorate furniture

ornament |ˈɔːrnəmənt| — something used to beautify

ornamental |ˌɔːrnəˈmentl| — any plant grown for its beauty or ornamental value

ornamentals  — plural form of ornamental

ornamentation |ˌɔːrnəmenˈteɪʃn| — the state of being ornamented

ornamented |ˈɔːrnəˌmentəd| — simple past tense and past participle of ornament

ornate |ɔːrˈneɪt| — marked by elaborate rhetoric and elaborated with decorative details

ornithic |ɔːrˈnɪθɪk| — Of or pertaining to birds.

ornithological |ˌɔːrnəθəˈlɒdʒɪkəl| — of or relating to ornithology

ornithologist |ˌɔːrnɪˈθɑːlədʒɪst| — a zoologist who studies birds

ornithology |ˌɔːrnɪˈθɑːlədʒɪ| — the branch of zoology that studies birds

ornithorhynchus  — type genus of the family Ornithorhynchidae

oro |ˈɔːrəʊ| — Forming compound terms with the sense of mouth.

orogenesis |ˌɔːrəʊˈdʒenɪsɪs| — (geology) The process of mountain formation by deformation of the Earth's crust. See also orogeny.

orogeny |ɔːˈrɑːdʒənɪ| — the process of mountain formation (especially by the upward displacement of the earth's crust)

orography |əʊˈrɑːɡrəfiː| — the science of mountains

oroide |ˈɔːrəʊɪd| — alloy of copper and tin and zinc; used in imitation gold jewelry

orotund |ˈɔːrətʌnd| — ostentatiously lofty in style

orotundity  — The quality of being orotund.

orphan |ˈɔːrfn| — a child who has lost both parents

orphanage |ˈɔːrfənɪdʒ| — the condition of being a child without living parents

orphaned |ˈɔːrfənd| — deprived of parents by death or desertion

orphanhood |ˈɔːfənhʊd| — the condition of being a child without living parents

Orphean |ɑːrˈfiːən| — Of or pertaining to Orpheus, the mythical poet and musician.

Orpheus |ˈɔːrfɪəs| — (Greek mythology) a great musician; when his wife Eurydice died he went to Hades to get her back but failed

Orphic |ˈɔːrfɪk| — having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding

orpin |ˈɔːpɪn| — perennial northern temperate plant with toothed leaves and heads of small purplish-white flowers

orpine |ˈɔːrpɪn| — perennial northern temperate plant with toothed leaves and heads of small purplish-white flowers

Orpington |ˈɔːpɪŋtən| — English breed of large chickens with white skin

orrery |ˈɔːrərɪ| — planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock

orris |ˈɔːˌrɪs| — German iris having large white flowers with lavender-tinged falls and a fragrant rhizome

orrisroot |ˈɒrɪsruːt| — fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines

orthodox |ˈɔːrθədɑːks| — of or pertaining to or characteristic of Judaism

orthodoxy |ˈɔːrθədɑːksɪ| — the quality of being orthodox (especially in religion)

orthoepy |ɔːrˈθəʊəpiː| — the way a word or a language is customarily spoken

orthogenesis |ˌɔːrθəˈdʒenɪsɪs| — (biology) A series of similar mutations in successive generations, producing evolutionary change.

orthogonal |ɔːrˈθɒɡənəl| — not pertinent to the matter under consideration

orthographic |ˌɔːrθəˈɡræfɪk| — of or relating to or expressed in orthography

orthographical |ˌɔːrθəˈɡræfɪkəl| — Of, or relating to orthography; spelled correctly.

orthography |ɔːrˈθɑːɡrəfɪ| — a method of representing the sounds of a language by written or printed symbols

orthopaedic |ˌɔːrθəˈpiːdɪk| — of or relating to orthopedics

orthopaedics |ˌɔːrθəˈpiːdɪks| — the branch of medical science concerned with disorders or deformities of the spine and joints

orthopaedist |ˌɔːθəʊˈpiːdɪst| — a specialist in correcting deformities of the skeletal system (especially in children)

orthopedic |ˌɔːrθəˈpiːdɪk| — of or relating to orthopedics

orthopedics |ˌɔːrθəˈpɪdɪks| — the branch of medical science concerned with disorders or deformities of the spine and joints

orthopedist |ˌɔːrθəˈpiːdəst| — a specialist in correcting deformities of the skeletal system (especially in children)

orthopedy |ˈɔːθəʊpiːdɪ| — Archaic form of orthopedics.

orthoptic |ɔːrˈθɑːptɪk| — of or relating to normal binocular vision

orthosis |ɔːˈθəʊsɪs| — (medicine) A type of brace which either prevents, or assists movement of a limb or the spine

ortolan |ˈɔːrtələn| — brownish Old World bunting often eaten as a delicacy

oryx |ˈɔːrɪks| — large African antelope with long straight nearly upright horns