/ Thesaurus / C Synonyms of crescent wrench Find synonyms for: Noun1. crescent wrench, adjustable wrench, adjustable spannerusage: an adjustable wrench designed to fit hexagonal nuts with the adjusting screw built into the head of the wrenchWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language