/ Thesaurus / I Synonyms of impulse buy Find synonyms for: Verb1. impulse-buy, buy, purchaseusage: buy on impulse without proper reflectionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language