/ Thesaurus / S Synonyms of shareowner Find synonyms for: Noun1. stockholder, shareholder, shareowner, investorusage: someone who holds shares of stock in a corporationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language