D defs.my
Entry 1 sense Webster, 1913

Unacquaintance

· Un·ac·quaint·ance · IPA
01 n. The quality or state of being unacquainted; want of acquaintance; ignorance.
  1. 1.
    The quality or state of being unacquainted; want of acquaintance; ignorance.
    “He was then in happy unacquaintance with everything connected with that obnoxious cavity.” Sir W. Hamilton.