/ Dictionary / Index D diffident: Meaning and Definition of Find definitions for: dif•fi•dent Pronunciation: (dif'i-dunt), [key] — adj. lacking confidence in one's own ability, worth, or fitness; timid; shy. restrained or reserved in manner, conduct, etc. distrustful. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: diffident (Thesaurus) diffidence diffluence Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language