/ Thesaurus / D Synonyms of diagrammatical Find synonyms for: Adjective1. diagrammatic, diagrammatical, delineated (vs. undelineated), represented, delineateusage: shown or represented by diagramsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language