/ Thesaurus / W Synonyms of water closet Find synonyms for: Noun1. water closet, closet, W.C., loo, toilet, lavatory, lav, can, john, privy, bathroomusage: a toilet in BritainWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language