unaccustomed
un.ac.cus.tomed \.*n-*-'k*s-t*md\ aj 1: not customary : not usual or common
2: not habituated - usu. used with to
Webster's English Dictionaryun.ac.cus.tomed \.*n-*-'k*s-t*md\ aj 1: not customary : not usual or common
2: not habituated - usu. used with to