/ Thesaurus / P Synonyms of plane figure Find synonyms for: Noun1. plane figure, two-dimensional figure, figureusage: a two-dimensional shapeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language