An indefinite pronoun replaces an unspecific noun in a sentence. Here are some more indefinite pronouns:
anyone, everyone, someone, no one.
Is anyone going to the game tonight?
I hope everyone bought a ticket.
Maybe someone will give me a ride.
I heard no one called yesterday.
The words anyone, everyone, someone, and no one are indefinite pronouns.
It’s your turn. Use one of these words in a sentence: anyone, everyone, someone, no one. That was easy, wasn’t it?