/ Dictionary / Index U unpleasant: Meaning and Definition of Find definitions for: un•pleas•ant Pronunciation: (un-plez'unt), [key] — adj. not pleasant; displeasing; disagreeable; offensive: an unpleasant taste; an unpleasant situation; an unpleasant manner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unpleasant (Thesaurus) unplait unpleasantness Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language