/ Thesaurus / T Synonyms of third dimensional Find synonyms for: Adjective1. three-dimensional, 3-dimensional, third-dimensional, three-d, multidimensional (vs. unidimensional)usage: involving or relating to three dimensions or aspects; giving the illusion of depth; "lifelike three-dimensional characters"; "a three-dimensional account of conditions under the new government"; "they shot the movie in three-D"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language