/ Dictionary / Index M misnomer: Meaning and Definition of Find definitions for: mis•no•mer Pronunciation: (mis-nō'mur), [key] — n. a misapplied or inappropriate name or designation. an error in naming a person or thing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: misnomer (Thesaurus) misname miso Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language