12-letter words containing no
- unoppressive — not cruel or harsh
- unoptimistic — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- unoriginated — not originated
- unornamental — not decorative
- unornamented — not decorated; unadorned
- unorthodoxly — not conforming to rules, traditions, or modes of conduct, as of a doctrine, religion, or philosophy; not orthodox: an unorthodox ideology.
- unoverthrown — not overthrown
- unoxygenated — not enriched with oxygen
- unpronounced — strongly marked: a pronounced fishy taste.
- urbanologist — a sociologist specializing in urban life and problems
- urinogenital — genitourinary.
- urobilinogen — a colourless substance produced by bacterial degradation of the bile pigment bilirubin in the intestine and which produces urobilin when oxidized
- ventnor city — a town in SE New Jersey.
- vernoleninsk — former name of Nikolayev.
- villainously — having a cruel, wicked, malicious nature or character.
- vitiliginous — a skin disorder characterized by smooth, white patches on various parts of the body, caused by the loss of the natural pigment.
- vocal memnon — one of the two seated figures of the Colossus of Memnon: so called because it once emitted sounds when struck by the rays of the rising sun.
- volcanogenic — created by a volcano; of volcanic origin.
- volcanologic — relating to vulcanology
- voluminously — forming, filling, or writing a large volume or many volumes: a voluminous edition.
- water cannon — a truck-mounted hose or pipe that shoots a jet of water through a nozzle at extremely high pressure, used especially in dispersing rioters or demonstrators.
- weavers-knot — sheet bend.
- wilton manor — a town in S Florida.
- windsor knot — a wide, triangular knot for tying a four-in-hand necktie.
- xenocurrency — currency circulating or traded in money markets of countries outside its country of issue.
- xenoestrogen — (biochemistry) A xenohormone that imitates estrogen.
- xenoreactive — (immunology) That generates a reaction to material from another species.
- yellow no. 5 — a yellow dye used in food, drugs, cosmetics, and other products: required by FDA regulations to be identified on food labels because of possible allergic reactions in sensitive individuals.
- you-know-who — a person whose name one does not want to say, but who is known to the person to whom one is speaking
- zeno of elea — c490–c430 b.c, Greek philosopher.