/ Dictionary / Index M moral turpitude: Meaning and Definition of Find definitions for: mor'al tur'pitude Pronunciation: [key] conduct that is regarded as immoral. an instance of such conduct. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. moral theology Morandi Related Content Daily Word Quiz: longevity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language