12-letter words starting with u
- unnilseptium — bohrium.
- unnormalized — to make normal.
- unnoteworthy — worthy of notice or attention; notable; remarkable: a noteworthy addition to our collection of rare books.
- unnoticeable — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unnoticeably — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unnourishing — not providing nourishment
- unobfuscated — to confuse, bewilder, or stupefy.
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- unobservable — incapable of observation; imperceptible
- unobservance — a failure to comply or observe (a law, custom, etc)
- unobservedly — without having been observed; in an unobserved manner
- unobstructed — to block or close up with an obstacle; make difficult to pass: Debris obstructed the road.
- unobtainable — to come into possession of; get, acquire, or procure, as through an effort or by a request: to obtain permission; to obtain a better income.
- unoffendable — to err in conduct; commit a sin, crime, or fault.
- 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
- unparalleled — not paralleled; unequaled or unmatched; peerless; unprecedented: unparalleled athletic ability.
- unpardonable — kind indulgence, as in forgiveness of an offense or discourtesy or in tolerance of a distraction or inconvenience: I beg your pardon, but which way is Spruce Street?
- unpardonably — in a manner that is not excusable; disgracefully
- unpassionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- unpatentable — the exclusive right granted by a government to an inventor to manufacture, use, or sell an invention for a certain number of years.
- unpatronized — having few or no patrons
- unpavilioned — not provided with a pavilion
- unpeacefully — in an unpeaceful manner
- unpenetrable — capable of being penetrated.
- unperceptive — having or showing keenness of insight, understanding, or intuition: a perceptive analysis of the problems involved.
- unperfection — imperfection
- unperforated — pierced with a hole or holes: Punch out along the perforated line.
- unperforming — not performing
- unperishable — imperishable
- unpersecuted — not persecuted
- unpersonable — of pleasing personal appearance; handsome or comely; attractive.
- unpersuasive — not capable of persuading
- unpleasantry — an unpleasant word, action, comment, etc.: comments filled with unpleasantries.
- unpleasingly — in an unpleasing manner
- unpoetically — in an unpoetic manner
- unpolishable — incapable of being made smooth or shiny
- unpoliteness — the quality or state of being impolite
- unpossessing — having no possessions or ownership
- unpredicated — to proclaim; declare; affirm; assert.
- unpredictive — of or relating to prediction: losing one's predictive power.
- unpreferable — more desirable.
- unprejudiced — not prejudiced; without preconception; unbiased; impartial: the unprejudiced view of the judge.
- unprelatical — not befitting a prelate