10-letter words containing a, s, o, u
- autotheism — the doctrine of God's self-existence and subsistence
- autotheist — a person who worships himself or herself
- autotomise — Alt form autotomize.
- autotomous — separating body parts in order to escape danger
- autotoxins — Plural form of autotoxin.
- autotrophs — Plural form of autotroph.
- auxospores — Plural form of auxospore.
- auxotrophs — Plural form of auxotroph.
- avaricious — An avaricious person is very greedy for money or possessions.
- avenaceous — belonging to or of the nature of oats or oat grasses
- baby bonus — family allowance
- back focus — the distance between the back surface of a lens and the focal plane when the lens is focused at infinity.
- backcourts — Plural form of backcourt.
- bakehouses — Plural form of bakehouse.
- barbarious — (dated, before 20th century, now literary) barbarous, barbaric.
- bardacious — bodacious.
- bargainous — (informal) cheap (characteristic of a bargain).
- barosaurus — Any of the genus Barosaurus of long-tailed, long-necked, herbivorous dinosaurs.
- barratrous — (legal) Tainted with, or constituting, barratry.
- basutoland — Lesotho
- bathhouses — Plural form of bathhouse.
- battailous — ready for battle; pugnacious
- bawdyhouse — a house of prostitution
- beaujolais — Beaujolais is a type of red wine that comes from the region of eastern France called Beaujolais.
- because of — If an event or situation occurs because of something, that thing is the reason or cause.
- behaviours — manner of behaving or acting.
- belorussia — historical region in central Europe corresponding to present-day Belarus
- binoculars — Binoculars consist of two small telescopes joined together side by side, which you look through in order to look at things that are a long way away.
- bipetalous — having two petals
- boastfully — given to or characterized by boasting.
- bomb squad — a squad or force of police officers or others trained to disarm bombs and other explosive devices.
- bonus army — a group of 12,000 World War I veterans who massed in Washington, D.C., the summer of 1932 to induce Congress to appropriate moneys for the payment of bonus certificates granted in 1924.
- bonus baby — an athlete who is paid a substantial bonus to sign his or her first professional contract.
- bonus ball — (in the National Lottery draw) a ball randomly selected after the first six balls, containing a number which influences the amount of prize money paid
- bonus pack — anything sold with a product and marketed as a useful and free extra
- boulangism — the doctrines of militarism and reprisals against Germany, advocated, especially in the 1880s, by the French general Boulanger.
- boundaries — something that indicates bounds or limits; a limiting or bounding line.
- brassbound — inflexibly entrenched
- broadbrush — lacking full detail or information; incomplete or rough
- brontosaur — apatosaurus
- buffo bass — (in Italian opera of the 18th century) a bass singer who performs such a comic part
- bulbaceous — bulbous
- byssaceous — consisting of fine threads
- cactaceous — belonging to the Cactaceae, the cactus family of plants.
- cacuminous — (of a tree) having a pointed or a pyramidal top
- cadaverous — If you describe someone as cadaverous, you mean they are extremely thin and pale.
- calamitous — If you describe an event or situation as calamitous, you mean it is very unfortunate or serious.
- calcaneous — Misspelling of calcaneus.
- calcareous — of, containing, or resembling calcium carbonate; chalky
- caliginous — dark; dim