/ Thesaurus / B Synonyms of baffle board Find synonyms for: Noun1. baffle, baffle board, plateusage: a flat plate that controls or directs the flow of fluid or energyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language