/ Thesaurus / S Synonyms of stock buyback Find synonyms for: Noun1. stock buyback, purchaseusage: a corporation's purchase of its own outstanding stock; increases earnings/share so stock price rises (which can discourage a takeover attempt)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language