/ Thesaurus / Y Synonyms of yo yo Find synonyms for: Noun1. yo-yo, plaything, toyusage: a toy consisting of a spool that is reeled up and down on a string by motions of the handWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language