/ Thesaurus / O Synonyms of orthogonal opposition Find synonyms for: Noun1. orthogonality, perpendicularity, orthogonal opposition, oppositionusage: the relation of opposition between things at right anglesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language