/ Thesaurus / B Synonyms of blue toadflax Find synonyms for: Noun1. blue toadflax, old-field toadflax, Linaria canadensis, toadflax, butter-and-eggs, wild snapdragon, devil's flax, Linaria vulgarisusage: North American plant having racemes of blue-violet flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language