9-letter words containing a, e, r, o, t
- obumbrate — to darken, overshadow, or cloud.
- octahedra — Plural form of octahedron.
- octameter — consisting of eight measures or feet.
- oenothera — any plant of the large taxonomically complicated American genus Oenothera, typically having yellow flowers that open in the evening: family Onagraceae
- oleasters — Plural form of oleaster.
- on a tear — showing a sudden burst of energy
- on stream — If something such as a new factory or a new system comes on stream or is brought on stream, it begins to operate or becomes available.
- on target — that is or may be a target or goal: The target group consisted of college graduates who earned more than $50,000 a year.
- on-stream — in or into regular operation, especially as part of a system, assembly line, or the like: When the new printing press goes on-stream, we'll be able to print twice as many newspapers a day.
- on-target — correct, accurate, or adhering closely to an anticipated outcome: an on-target forecast for the weekend weather.
- one-acter — a short play consisting of one act.
- one-track — having only one track.
- opera hat — a man's tall, collapsible top hat, held open or in shape by springs and usually covered with a black, silky fabric. Also called gibus. Compare beaver1 (def 4), silk hat, top hat.
- operantly — In an operant manner.
- operatics — Exaggerated or overly emotional behaviour; histrionics.
- operating — used or engaged in performing operations: an operating surgeon.
- operation — an act or instance, process, or manner of functioning or operating.
- operative — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- operatize — to turn (a play, novel, etc) into an opera
- operators — Plural form of operator.
- operatory — a room or other area with special equipment and facilities, as for dental surgery, scientific experiments, or the like.
- operettas — Plural form of operetta.
- oratories — Plural form of oratory.
- orchestra — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- ordinated — Simple past tense and past participle of ordinate.
- ordinates — Plural form of ordinate.
- orientals — Plural form of oriental.
- orientate — (UK, intransitive) To face (a given direction).
- originate — to take its origin or rise; begin; start; arise: The practice originated during the Middle Ages.
- orleanist — a supporter of the Orléans branch of the former French royal family and of its claim to the throne of France through descent from the younger brother of Louis XIV.
- ornaments — Plural form of ornament.
- ortanique — A citrus fruit that is a cross between an orange and a tangerine, developed in Jamaica in the 1920s.
- orthopnea — difficult or painful breathing except in an erect sitting or standing position.
- osmeteria — glands in some caterpillars that secrete foul-smelling substances to deter predators
- ostiaries — Plural form of ostiary.
- ostracean — a member of the family formerly called Ostracea
- ostracise — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.
- ostracize — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.
- ostrasize — Misspelling of ostracize.
- other man — a man who is romantically or sexually involved with another man's wife or lover, especially a man who is having an affair with a married woman.
- otorrhoea — a discharge from the ears
- out-years — the fiscal year after a year covered by a budget; any year beyond the budget year for which projections of spending are made.
- outbacker — a person who lives in the Australian outback
- outbraved — Simple past tense and past participle of outbrave.
- outbrazen — to be more brazen or impudent than
- outbreaks — Plural form of outbreak.
- outcharge — to charge more than
- outer bar — a body of the junior counsel who sit and plead outside the dividing bar in the court, ranking below the King's Counsel or Queen's Counsel.
- outer ear — external ear.
- outercoat — coat (def 1).