/ Thesaurus / T Synonyms of toss in Find synonyms for: Verb1. toss in, add, append, supplyusage: add casually to a conversation; "`I don't agree with this,' she tossed in"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language