Unaccustomed /(?)/

Un·ac·cus·tomed

Unaccustomed

a.
  1. Not used; not habituated; unfamiliar; unused; -- with to.
    Chastened as a bullock unaccustomed to the yoke.
    — Jer. xxxi. 18.
  2. Not usual; uncommon; strange; new.
    What unaccustomed cause procures her hither?