/ Thesaurus / T Synonyms of two by four Find synonyms for: Noun1. two-by-four, timberusage: a timber measuring (slightly under) 2 inches by 4 inches in cross sectionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language