/ Dictionary / Index M mistaken: Meaning and Definition of Find definitions for: mis•tak•en Pronunciation: (mi-stā'kun), [key] — adj. wrongly conceived, held, or done: a mistaken antagonism. erroneous; incorrect; wrong: a mistaken answer. having made a mistake; being in error. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mistaken (Thesaurus) mistake Mistassini Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language