•
[C] a person that you have met but do not know well•
[U] formal used in some expressions about knowing or meeting peopleIt was at the Taylors' party that I first made his acquaintance (= first met him).
I wasn't sure about Darryl when I first met her, but on further acquaintance (= knowing her a little more) I rather like her.
•
[U] formal knowledge of a subjectSadly, my acquaintance with Spanish literature is rather limited.
Ours was a strictly professional acquaintanceship (= relationship).