12-letter words containing a, d, u, n
- unsyncopated — marked by syncopation: syncopated rhythm.
- unsyndicated — a group of individuals or organizations combined or making a joint effort to undertake some specific duty or carry out specific transactions or negotiations: The local furniture store is individually owned, but is part of a buying syndicate.
- unterminated — to bring to an end; put an end to: to terminate a contract.
- unthreatened — not threatened; free from threats or danger
- untrammelled — Usually, trammels. a hindrance or impediment to free action; restraint: the trammels of custom.
- untranslated — to turn from one language into another or from a foreign language into one's own: to translate Spanish.
- untransmuted — not transmuted; that has not been transmuted or transformed
- untrespassed — Law. an unlawful act causing injury to the person, property, or rights of another, committed with force or violence, actual or implied. a wrongful entry upon the lands of another. the action to recover damages for such an injury.
- unvaccinated — to inoculate with the vaccine of cowpox so as to render the subject immune to smallpox.
- unvanquished — to conquer or subdue by superior force, as in battle.
- unvariegated — varied; diversified; diverse.
- unventilated — not having stale or foul air driven out
- unverbalized — not verbalized or put into words
- unvindicated — to clear, as from an accusation, imputation, suspicion, or the like: to vindicate someone's honor.
- unwashedness — the quality or state of being unwashed
- up and about — to, toward, or in a more elevated position: to climb up to the top of a ladder.
- up and doing — busy; active
- up-and-comer — likely to succeed; bright and industrious: an up-and-coming young executive.
- up-and-under — a high kick forwards followed by a charge to the place where the ball lands
- upper canada — a former British province in Canada 1791–1840: now the S part of Ontario province.
- uranic oxide — uranium dioxide.
- urban legend — a modern story of obscure origin and with little or no supporting evidence that spreads spontaneously in varying forms and often has elements of humor, moralizing, or horror: Are there alligators living in the New York City sewer system, or is that just an urban legend?
- valetudinary — valetudinarian.
- vaudevillian — Also, vaudevillist. a person who writes for or performs in vaudeville.
- vax document — A document preparation system from DEC.
- verd antique — a green, mottled or impure serpentine, sold as a marble and much used for decorative purposes.
- walker hound — an American foxhound having a black, tan, and white, or, sometimes, a tan and white coat.
- wall-mounted — hung on a wall
- waste ground — an empty piece of land
- watts-dunton — (Walter) Theodore (Walter Theodore Watts) 1832–1914, English poet, novelist, and critic.
- weatherbound — (often nautical) Delayed or prevented by bad weather from doing something, such as travelling.
- welfare fund — a fund set up by a union or employer, providing benefits to workers during a period of unemployment or disablement, as salary continuance while ill.
- year-rounder — a person who is a year-round resident, as at a seasonal resort.
- younger edda — either of two old Icelandic literary works, one a collection of poems on mythical and religious subjects (or) erroneously attributed to Saemund Sigfusson (c1055–1133), the other a collection of ancient Scandinavian myths and legends, rules and theories of versification, poems, etc. (or) compiled and written in part by Snorri Sturluson (1179–1241).
- younger hand — (in piquet and similar card games) the dealer
- younghusband — Sir Francis Edward. 1863–1942, British explorer, mainly of N India and Tibet. He used military force to compel the Dalai Lama to sign (1904) a trade agreement with Britain
- zuid-holland — South Holland
- zuse, konrad — Konrad Zuse