/ Thesaurus / M Synonyms of major mode Find synonyms for: Noun1. major key, major mode, key, tonalityusage: a key whose harmony is based on the major scaleWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: voracious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language