/ Dictionary / Index U unlearn: Meaning and Definition of Find definitions for: un•learn Pronunciation: (un-lûrn'), [key] — v.t. to forget or lose knowledge of. to discard or put aside certain knowledge as being false or binding: to unlearn preconceptions. —v.i. to lose or discard knowledge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unlearn (Thesaurus) unleaded unlearned Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language