/ Dictionary / Index U unmistakable: Meaning and Definition of Find definitions for: un•mis•tak•a•ble Pronunciation: (un"mi-stā'ku-bul), [key] — adj. not mistakable; clear; obvious. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unmistakable (Thesaurus) unmindful unmiter Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language