wild snapdragon wilds·napd·ra·gon uncommon noun 1. common European perennial having showy yellow and orange flowers; a naturalized weed in North America Synonymstoadflaxbutter-and-eggswild snapdragondevil's flaxLinaria vulgaris Related words Broader terms flower Narrower terms blue toadflax Parts Linaria WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.