Definition of "nickname" in English

noun

1. A familiar, invented name for a person or thing used instead of the actual name of the person or thing, often based on some noteworthy characteristic.

   • "The Big Apple" is a common nickname for New York City.

2. A familiar, shortened or diminutive name for a person or thing.

   • My name is Jonathan, but I go by my nickname, Johnny.

verb

1. (transitive) To give a nickname to (a person or thing).

   • Gerald, nicknamed "Jerry", was usually a very cheerful person.