- 1acquainted with something (formal) familiar with something, having read, seen, or experienced it The students are already acquainted with the work of Shakespeare. Employees should be fully acquainted with emergency procedures.
- 2 not close friends with someone, but having met a few times before We got acquainted at the conference (= met and started to get to know each other). acquainted with somebody I am well acquainted with her family.
NAmE//əˈkweɪntəd//[not before noun]