12-letter words containing g, l, o, b, u, i
- unbecomingly — detracting from one's appearance, character, or reputation; unattractive or unseemly: an unbecoming hat; unbecoming language.
- unbiological — pertaining to biology.
- uncognizable — capable of being perceived or known.
- undoubtingly — in an undoubting manner
- unforgivable — to grant pardon for or remission of (an offense, debt, etc.); absolve.
- unforgivably — in an unforgivable manner
- unnegotiable — capable of being negotiated: a negotiable salary demand.
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- 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