preternatural

US /ˌpriː.t̬ɚˈnætʃ.ɚ.əl/
UK /ˌpriː.t̬ɚˈnætʃ.ɚ.əl/
1.

more than is usual or natural:

:
•
Anger gave me preternatural strength, and I managed to force the door open.