/ Dictionary / Index C character defense: Meaning and Definition of Find definitions for: char'acter defense" Pronunciation: [key] a personality trait, as a habitual tendency to idealize or rationalize, that serves some unconscious defensive purpose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. character assassination character disorder Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language