9-letter words containing b, o, u, s
- combustor — the combustion system of a jet engine or ramjet, comprising the combustion chamber, the fuel injection apparatus, and the igniter
- corbusier — (Charles Édouard Jeanneret) 1887–1965, Swiss architect in France.
- crossbuck — (in the US) a white cross-shaped road sign used at railway crossings
- cub scout — a member of a junior branch (for those aged 8–11 years) of the Scout Association
- cupboards — Plural form of cupboard.
- curbstone — A curbstone is one of the stones that form a curb.
- cybersoul — The supposed equivalent of a soul in cyberspace.
- debouches — to march out from a narrow or confined place into open country, as a body of troops: The platoon debouched from the defile into the plain.
- deskbound — doing sedentary work; working exclusively at a desk.
- doubloons — Plural form of doubloon.
- doubtless — without doubt; certainly; surely; unquestionably.
- doughboys — Informal. an American infantryman, especially in World War I.
- downburst — a strong downward current of air from a cumulonimbus cloud, often associated with intense thunderstorms.
- dubersome — (archaic) Doubtful.
- dubiosity — dubiety.
- dubiously — doubtful; marked by or occasioning doubt: a dubious reply.
- dukhobors — a pacifistic, nonritualistic, mystical religious sect that separated (1785) from the Eastern Orthodox Church: in the 1890s, many members emigrated to W Canada
- dumb show — a part of a dramatic representation given in pantomime, common in early English drama.
- dust bowl — the region in the S central U.S. that suffered from dust storms in the 1930s.
- eastabout — in, to, or towards the east
- eastbound — traveling, proceeding, or headed east: an eastbound train.
- essequibo — a river in Guyana, rising near the Brazilian border and flowing north to the Atlantic: drains over half of Guyana. Length: 1014 km (630 miles)
- fabaceous — belonging to the Fabaceae, an alternative name for the plant family Leguminosae.
- fibrinous — the insoluble protein end product of blood coagulation, formed from fibrinogen by the action of thrombin in the presence of calcium ions.
- fibrously — In a fibrous manner.
- focusable — Capable of being focused.
- four bits — 50 cents.
- fox brush — the tail of a fox.
- furbelows — Plural form of furbelow.
- fuzzboxes — Plural form of fuzzbox.
- gadabouts — Plural form of gadabout.
- gastropub — a bar that serves good food and high-quality alcoholic beverages.
- globulins — Plural form of globulin.
- globulous — globe-shaped; spherical.
- gobstruck — (slang, chiefly, UK) gobsmacked; astonished; astounded.
- goosebump — The bumps on a person's skin, at the base of body hair, which may involuntarily develop when a person is cold or experiences strong emotions.
- guestbook — A book in which visitors to a particular place may write their names, addresses, and remarks.
- harborous — welcoming and offering hospitality
- houseboat — a flat-bottomed, bargelike boat fitted for use as a floating dwelling but not for rough water.
- houseboys — Plural form of houseboy.
- hybridous — of or relating to a hybrid
- indubious — Not dubious or doubtful; certain.
- inebrious — (archaic) intoxicated; drunk.
- insoluble — incapable of being dissolved: insoluble salts.
- insolubly — In an insoluble manner; irresolubly, irresolvably.
- isobutane — a colorless, flammable gas, C 4 H 10 , used as a fuel, as a refrigerant, and in the manufacture of gasoline by alkylation.
- isobutene — (organic compound) The unsaturated hydrocarbon methylpropene, (CH3)2C=CH2; used in the manufacture of polybutene and butyl rubber.
- jukeboxes — Plural form of jukebox.
- laborious — requiring much work, exertion, or perseverance: a laborious undertaking.
- labourers — Plural form of labourer.