/ Thesaurus / P Synonyms of ping river Find synonyms for: Noun1. Ping, Ping Riverusage: a river in western Thailand; a major tributary of the Chao PhrayaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language