/ Thesaurus / M Synonyms of make vibrant sounds Find synonyms for: Verb1. purr, make vibrant sounds, resonate, vibrateusage: indicate pleasure by purring; characteristic of catsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language