/ Thesaurus / P Synonyms of pentatonic scale Find synonyms for: Noun1. pentatonic scale, pentatone, gapped scaleusage: a gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omittedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language