/ Thesaurus / K Synonyms of kitchen sink Find synonyms for: Noun1. kitchen sink, sinkusage: a sink in a kitchenWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: magnanimous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language