Meaning of disacquaint in English:

disacquaint

Pronunciation /ˌdɪsəˈkweɪnt/

verb

rare
  • To make no longer acquainted; to break off an acquaintance with, to estrange; to make unfamiliar with a person or thing.

Origin

Mid 16th century; earliest use found in Nicholas Udall (1504–1556), schoolmaster and playwright. From dis- + acquaint.