/ Thesaurus / T Synonyms of trade in Find synonyms for: Noun1. trade-in, property, belongings, holdingusage: an item of property that is given in part payment for a new oneVerb1. trade, trade in, exchange, change, interchangeusage: turn in as payment or part payment for a purchase; "trade in an old car for a new one"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language