astonishingly

US /əˈstɑː.nɪ.ʃɪŋ.li/
UK /əˈstɑː.nɪ.ʃɪŋ.li/
1.

şaşırtıcı bir şekilde

in a way that is very surprising:

:
•
She did astonishingly well on the test.