Unaccustomed

Un`ac*cus"tomed (?), a. 1. Not used; not habituated; unfamiliar; unused; -- which to.

Chastened as a bullock unaccustomed to yoke.
Jer. xxxi. 18.

2. Not usual; uncommon; strange; new.

What unaccustomed cause procures her hither?
Shak.