/ Dictionary / Index U unintelligent: Meaning and Definition of Find definitions for: un•in•tel•li•gent Pronunciation: (un"in-tel'i-junt), [key] — adj. deficient in intelligence; dull; stupid. not endowed with intelligence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unintelligent (Thesaurus) uninstructed unintelligible Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language