/ Dictionary / Index W witless: Meaning and Definition of Find definitions for: wit•less Pronunciation: (wit'lis), [key] — adj. lacking wit or intelligence; stupid; foolish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: witless (Thesaurus) witigo witling Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language