12-letter words containing u, n, a, d, o
- unsanctioned — authoritative permission or approval, as for an action.
- unsaponified — to convert (a fat) into soap by treating with an alkali.
- unshadowable — not able to be shadowed
- unsocialized — to make social; make fit for life in companionship with others.
- unsyncopated — marked by syncopation: syncopated rhythm.
- 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.
- uranic oxide — uranium dioxide.
- vax document — A document preparation system from DEC.
- 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.
- 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