/ Dictionary / Index D delineate: Meaning and Definition of Find definitions for: de•lin•e•ate Pronunciation: (di-lin'ē-āt"), [key] — -at•ed, -at•ing. to trace the outline of; sketch or trace in outline; represent pictorially: He delineated the state of Texas on the map with a red pencil. to portray in words; describe or outline with precision: In her speech she delineated the city plan with great care. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: delineate (Thesaurus) delimiter delineation Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language