/ Dictionary / Index D diffidence: Meaning and Definition of Find definitions for: dif•fi•dence Pronunciation: (dif'i-duns), [key] — n. the quality or state of being diffident. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: diffidence (Thesaurus) difficulty diffident Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language