/ Thesaurus / D Synonyms of draining board Find synonyms for: Noun1. drainboard, draining board, boardusage: a board beside a kitchen sink and inclined to drain into the sinkWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language