1. (noun)
wallflower
- any of numerous plants of the genus Erysimum having fragrant yellow or orange or brownish flowers
2. (noun)
wallflower, Cheiranthus cheiri, Erysimum cheiri
- perennial of southern Europe having clusters of fragrant flowers of all colors especially yellow and orange; often naturalized on old walls or cliffs; sometimes placed in genus Erysimum Synonyms: wallflower
3. (noun)
wallflower
- remains on sidelines at social event