/ Thesaurus / L Synonyms of lock washer Find synonyms for: Noun1. lockring, lock ring, lock washer, washerusage: washer that prevents a nut from looseningWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language