Breadcrumb Home > Dictionary > Index U unmindful: Meaning and Definition of Find definitions for: un•mind•ful Pronunciation: (un-mīnd'ful), [key] — adj. not mindful; unaware; heedless; forgetful; careless; neglectful: unmindful of obligations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unmindful (Thesaurus) unmew unmistakable ✖ Related Content Daily Word Quiz: hegira Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language