1 a social event at which people meet to celebrate something or to have fun by eating and drinking, dancing, playing games etc
Are you going to Sally’s birthday party?
There’s going to be a party to celebrate the completion of the project.
give/have/throw/host a party (for someone/something): We’re having a big party for our twenty-fifth wedding anniversary.
a farewell party (=when someone leaves a place): It’s Jane’s farewell party on Friday night.
a surprise party: It was his birthday and I’d planned a surprise party for him.
Synonyms and related words