/ Dictionary / Index M miff: Meaning and Definition of Find definitions for: miff Pronunciation: (mif), [key] — n. petulant displeasure; ill humor. a petty quarrel. —v.t. to give minor offense to; offend. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: miff (Thesaurus) Mies van der Rohe miffed Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language