10-letter words containing r, u, n, a, o
- bat around — to discuss (an idea, proposition, etc) informally
- benzofuran — a colourless insoluble aromatic liquid obtained from coal tar and used in the manufacture of synthetic resins. Formula: C8H6O
- betancourt — Rómulo [rom-yuh-loh;; Spanish raw-moo-law] /ˈrɒm yəˌloʊ;; Spanish ˈrɔ muˌlɔ/ (Show IPA), 1908–81, Venezuelan journalist and political leader: president of Venezuela 1945–48 and 1959–64.
- bicornuate — Botany, Zoology. having two horns or hornlike parts.
- 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.
- 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.
- boundaries — something that indicates bounds or limits; a limiting or bounding line.
- branch out — If a person or an organization branches out, they do something that is different from their normal activities or work.
- brassbound — inflexibly entrenched
- brazen out — If you have done something wrong and you brazen it out, you behave confidently in order not to appear ashamed, even though you probably do feel ashamed.
- brian boru — ?941–1014, king of Ireland (1002–14): killed during the defeat of the Danes at the battle of Clontarf
- brontosaur — apatosaurus
- buccinator — a thin muscle that compresses the cheeks and holds them against the teeth during chewing, etc
- bum around — If you bum around, you go from place to place without any particular destination, either for enjoyment or because you have nothing else to do.
- buonaparte — Bonaparte1
- buonarroti — Michelangelo.
- button ear — a dog's ear that folds forward completely.
- campground — A campground is the same as a campsite.
- canonsburg — a city in SW Pennsylvania.
- canorously — In a canorous manner.
- capsorubin — (organic compound) A di-hydroxy, keto carotenoid, which, together with capsanthin, constitutes the red pigment of paprika.
- cat around — to search promiscuously for sexual partners; be promiscuous
- cautionary — A cautionary story or a cautionary note to a story is one that is intended to give a warning to people.
- cautioners — Plural form of cautioner.
- chairbound — unable to walk; dependent on a wheelchair for mobility
- charmonium — an elementary particle that contains an antiquark and a charm quark
- chrononaut — (science fiction, dated) A time-traveller.
- clamouring — a loud uproar, as from a crowd of people: the clamor of the crowd at the gates.
- clangorous — a loud, resonant sound; clang.
- communards — Plural form of communard.
- confabular — of or relating to confabulation
- conga drum — a large tubular bass drum, used chiefly in Latin American and funk music and played with the hands
- conjurator — a person who, through oath, is bound to others, esp a member of a group plotting a conspiracy
- connatural — having a similar nature or origin
- coriolanus — Gaius Marcius (ˈɡaɪəs ˈmɑːsɪəs). 5th century bc, a legendary Roman general, who allegedly led an army against Rome but was dissuaded from conquering it by his mother and wife
- corn sugar — a dextrose made from cornstarch
- cornaceous — of, relating to, or belonging to the Cornaceae, a family of temperate plants, mostly trees and shrubs, including dogwood, cornel, and spotted laurel
- cornucopia — A cornucopia of things is a large number of different things.
- counteract — To counteract something means to reduce its effect by doing something that produces an opposite effect.
- counterair — (military) Attacking the air force of an opposing power.
- counterman — a man who works on a lunch counter or behind the counter of a cafe
- counterwar — War waged in response to another war.
- countryman — Your countrymen are people from your own country.
- courantyne — a river in N South America, rising in S Guyana and flowing north to the Atlantic, forming the boundary between Guyana and Surinam. Length: 765 km (475 miles)
- court hand — a style of handwriting formerly used in English law courts
- courtesans — Plural form of courtesan.
- cruciation — (obsolete) torture; torment.
- crustation — the action of forming a crust
- cunctatory — prone to delaying
- currawongs — Plural form of currawong.