/ Dictionary / Index D diacritic: Meaning and Definition of Find definitions for: di•a•crit•ic Pronunciation: (dī"u-krit'ik), [key] —adj. diacritical. diagnostic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: diacritic (Thesaurus) diaconicon diacritical Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language