nickname /ˈnɪkneɪm/noun 2verb 1forms 3 noun2 •a friendly or funny name for someone, used in place of the real one by people who know them"The Big Apple" is a common nickname for New York City. •A familiar, shortened or diminutive name for a person or thing.My name is Jonathan, but I go by my nickname, Johnny. verb1 •To give a nickname to (a person or thing).Gerald, nicknamed "Jerry", was usually a very cheerful person. formsnicknamed · nicknaming · nicknames