astonishingly
adverbUK /əˈstɒn.ɪ.ʃɪŋ.li/
US /əˈstɑː.nɪ.ʃɪŋ.li/
In a way that is very surprising.
She sang astonishingly well for someone so young.
RELATED WORDS
OTHER MEANINGS
2. In a manner that causes great wonder or amazement.
The magician vanished astonishingly quickly.
3. To an unusually great degree.
The project was astonishingly successful.
4. In a way that is hard to believe.
He finished the race astonishingly fast.