/ ʌnˈjuːʒuəl; NAmE ; -ʒəl/ adjective
1.
different from what is usual or normal
SYN uncommon :
It's unusual for the trees to flower so early.
She has a very unusual name.
It's not unusual for young doctors to work a 70-hour week (= it happens often) .
2.
different from other similar things and therefore interesting and attractive :
an unusual colour