12-letter words containing b, i, g, u, n
- surfboarding — a long, narrow board on which a person stands or lies prone in surfboarding.
- tub-thumping — to promote something or express opinions vociferously.
- tumbling box — a box, pivoted at two corners, used in the manner of a tumbling barrel.
- turbo engine — an engine containing a turbocharger
- ubangi-shari — former name of the Central African Republic.
- un-ignorable — to refrain from noticing or recognizing: to ignore insulting remarks.
- unassignable — not able to be transferred
- unbecomingly — detracting from one's appearance, character, or reputation; unattractive or unseemly: an unbecoming hat; unbecoming language.
- unbiological — pertaining to biology.
- unblinkingly — not blinking.
- unbridgeable — a structure spanning and providing passage over a river, chasm, road, or the like.
- uncognizable — capable of being perceived or known.
- underbearing — unassuming
- undigestible — indigestible.
- undisturbing — not disturbing
- undoubtingly — in an undoubting manner
- unforeboding — a prediction; portent.
- unforgivable — to grant pardon for or remission of (an offense, debt, etc.); absolve.
- unforgivably — in an unforgivable manner
- unimaginable — capable of being imagined or conceived.
- unimpugnable — not capable of being challenged or criticized
- uninhibiting — to restrain, hinder, arrest, or check (an action, impulse, etc.).
- unnegotiable — capable of being negotiated: a negotiable salary demand.
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- unslumbering — not sleeping
- unsubmitting — not submitting or submissive; not surrendering
- urban blight — deterioration of property in centre of city
- urbanologist — a sociologist specializing in urban life and problems
- urobilinogen — a colourless substance produced by bacterial degradation of the bile pigment bilirubin in the intestine and which produces urobilin when oxidized
- vigee-lebrun — (Marie Anne) Élisabeth [ma-ree an ey-lee-za-bet] /maˈri an eɪ li zaˈbɛt/ (Show IPA), 1755–1842, French painter.
- youngberries — Plural form of youngberry.