/ 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: 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