/ Thesaurus / C Synonyms of corrugated cardboard Find synonyms for: Noun1. corrugated board, corrugated cardboard, cardboard, composition boardusage: cardboard with corrugations (can be glued to flat cardboard on one or both sides)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language