/ Thesaurus / B Synonyms of bench warmer Find synonyms for: Noun1. bench warmer, substitute, reserve, second-stringerusage: (sports) a substitute who seldom playsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language