Member/ˈmembər/ Definition 1 of 4Pro Tip 1/3Group Inclusion Used to express belonging to a group that shares common interests or goals. She became a member of the chess club. Pro Tip 2/3Identity Signal Indicates an aspect of someone's identity by highlighting their group affiliations. As a member of the debate team, he travels often. Pro Tip 3/3Formal Status Often implies a formal or official status within an organization, requiring certain qualifications. She was elected as a member of the board.