acquaintance
/əˈkweɪntəns/noun
Someone you know slightly but who is not a close friend.
Example sentences
- “He's just an acquaintance from work, not really a friend.”
- “I ran into an old acquaintance from college at the grocery store yesterday.”
Fills the gap between stranger and friend. "Make someone's acquaintance" is a formal, slightly old-fashioned way to say you met them.