[{"Bold_text": "noun", "List Items": ["a person who, because of shyness, unpopularity, or lack of a partner, remains at the side at a party or dance.", "any person, organization, etc., that remains on or has been forced to the sidelines of any activity:The firm was a wallflower in this year's bidding for government contracts.", "a European plant,Cheiranthus cheiri,of the mustard family, that, when growing wild on walls ,cliffs, etc., has sweet-scented, usually yellow or flowers ,but when cultivated has flowers in color from pale yellow to brown-red or purple.", "any of several related plants of the genera Cheiranthusand Erysimum."]}]