1 [noncount] formal : the state of being famous or celebrated : FAME
The actress lived a life of celebrity.
2 [count] : a person who is famous
There were many celebrities at the party.
She's become something of a local celebrity. [=someone who everyone in the area knows or recognizes]
— often used before another noun
a celebrity chef [=a chef who is famous]
celebrity interviews [=interviews with famous people]