/ Dictionary / Index M misdiagnose: Meaning and Definition of Find definitions for: mis•di•ag•nose Pronunciation: (mis-dī'ug-nōs", -nōz", mis"dī-ug-nōs', -nōz'), [key] — v., -nosed, -nos•ing. —v.i. to make an incorrect diagnosis. —v.t. to diagnose erroneously: to misdiagnose the nation's ills. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. misdescribe misdiagnosis Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language