Definitions of acquaintance

1. a person with whom you are acquainted; " I have trouble remembering the names of all my acquaintances"; " we are friends of the family"

2. A state of being acquainted, or of having intimate, or more than slight or superficial, knowledge; personal knowledge gained by intercourse short of that of friendship or intimacy; as, I know the man; but have no acquaintance with him.

3. A person or persons with whom one is acquainted.

4. Personal knowledge of either persons or things; a person slightly known to one.

5. Acquaintanceship.

6. Familiar knowledge: a person whom we know.

7. Knowledge; a person known.

8. A person or persons known.