/ Dictionary / Index T thick-witted: Meaning and Definition of Find definitions for: thick-wit•ted Pronunciation: (thik'wit'id), [key] — adj. lacking intelligence; thickheaded; dull; stupid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thick-tailed ray thief Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language