/ Dictionary / Index U unpleasantness: Meaning and Definition of Find definitions for: un•pleas•ant•ness Pronunciation: (un-plez'unt-nis), [key] — n. the quality or state of being unpleasant. something that is displeasing or offensive, as an experience, event, or situation: An unpleasantness made them ill-at-ease. an unpleasant feeling or sensation caused by disagreeable or painful stimuli. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unpleasantness (Thesaurus) unpleasant unpleasantry 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