un ‧ u ‧ su ‧ al ‧ ly /ʌnˈjuːʒuəli, -ʒ ə li/ BrE AmE adverb
1 . unusually high/large/quiet etc higher, larger etc than usual:
unusually high levels of pollution
2 . used to say that something is not what usually happens:
Unusually for me, I fell asleep very quickly.