wallflower
📖 Definitions
noun
1. Someone who does not mingle at a social event, such as a party, dance, etc.
2. A person or an organization that is forced to stay at the sidelines of some activity.
💬 Usage Examples
“Virgin has been like a wallflower at a wedding reception, watching everyone else pair off.” Always the Bridesmaid: Virgin Atlantic; The Economist (London, UK); Sep 15, 2012.