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.
© Webster 1913.