/ Thesaurus / P Synonyms of playground ball Find synonyms for: Noun1. softball, playground ball, ballusage: ball used in playing softballWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language