/ Thesaurus / T Synonyms of tennis ball Find synonyms for: Noun1. tennis ball, ballusage: ball about the size of a fist used in playing tennisWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language