9-letter words containing a, s, o
- blast out — If music or noise is blasting out, loud music or noise is being produced.
- blood gas — a gas, as oxygen or carbon dioxide, that is dissolved in plasma.
- bloomsday — an annual celebration in Dublin on 16 June of the life of James Joyce and, in particular, his novel Ulysses, which is entirely set in Dublin on 16 June 1904
- blow past — To blow out despite a safeguard. "The server blew past the 5K reserve buffer."
- boa vista — a town in N Brazil, capital of the state of Roraima, on the Rio Branco. Pop: 275 000 (2005 est)
- boanerges — a nickname applied by Jesus to James and John in Mark 3:17
- boastless — without boasting
- boat shoe — a shoe, usually in a style somewhat like a moccasin, with a rubber sole suitable for walking on the deck of a boat
- boathouse — A boathouse is a building at the edge of a lake, in which boats are kept.
- boatswain — a petty officer on a merchant ship or a warrant officer on a warship who is responsible for the maintenance of the ship and its equipment
- bob skate — an ice skate with two parallel blades
- bodacious — If you say that someone or something is bodacious, you mean that they are very good or impressive.
- body mass — the ratio of a person's weight to their height
- body slam — a wrestling throw in which an opponent is lifted and hurled to the mat, landing on his or her back.
- body-slam — to lift and throw (someone) to the ground, as in wrestling
- bojangles — Bill ("Bojangles") 1878–1949, U.S. tap dancer.
- bokassa i — original name Jean Bedel Bokassa. 1921–96, president of the Central African Republic (1972–76); emperor of the renamed Central African Empire from 1976 until overthrown in 1979
- bombasine — bombazine.
- bombaster — a person who stuffs or pads
- bombastic — If you describe someone as bombastic, you are criticizing them for trying to impress other people by saying things that sound impressive but have little meaning.
- bondslave — a person held in bondage.
- bonilasse — an attractive young woman
- bookmarks — a ribbon or other marker placed between the pages of a book to mark a place.
- bookstack — Usually, bookstacks. stack (def 4).
- bookstall — A bookstall is a long table from which books and magazines are sold, for example at a conference or in a street market.
- bookstand — a cradle for holding an open book so that it may be read comfortably
- boomslang — a large greenish venomous arboreal colubrid snake, Dispholidus typus, of southern Africa
- bootstrap — If you bootstrap an organization or an activity, you set it up or achieve it alone, using very few resources.
- bop stack — A BOP stack is one of two or more units which control well pressure, and contain the wellhead and blowout preventers.
- bordelais — a wine-growing region in SW France, in Gironde.
- borgesian — of Jorge Luis Borges or his works
- bosanquet — Bernard, 1848–1923, English philosopher and writer.
- bosberaad — a meeting in an isolated venue to break a political deadlock
- boschvark — a bush pig of S Africa
- bostonian — a person from Boston
- botmaster — (chat) The owner of a bot.
- bourasque — a tempest
- box stall — a small stall with four walls for holding a horse
- broachers — Machinery. an elongated, tapered, serrated cutting tool for shaping and enlarging holes.
- broadcast — A broadcast is a programme, performance, or speech on the radio or on television.
- broadness — the state or character of being broad: the broadness of the ship; the broadness of his jokes.
- broadside — A broadside is a strong written or spoken attack on a person or institution.
- broadwise — breadthwise
- browsable — able to be browsed
- bush coat — a belted, hip-length, shirtlike jacket, usually with four patch pockets and a notched collar, adapted from the hunting coat customarily worn in the African bush.
- bush road — a rough road cut through forested land usually to serve a lumbering, mining, or other commercial company.
- bushwoman — a woman who lives in the bush
- by a nose — by the length of the animal's nose in horse racing, etc.
- c rations — tinned food formerly issued in packs to US soldiers
- cabassous — Plural form of cabassou.