adverb
In a way that is very surprising and difficult to believe.
Unbelievably, nobody was hurt in the accident.
American English
/ˌən.bəˈli.vəb.li/
5 syllables · Stress the third syllable.
In a way that is very surprising and difficult to believe.
Practice out loudIn a way that is very surprising and difficult to believe.
Unbelievably, nobody was hurt in the accident.
To an extreme degree.
The hotel was unbelievably expensive.
This use often emphasizes an adjective or another adverb.
unbelievably good · unbelievably expensive