astonishingly
adv.in a way that is very surprising or shocking. You use this to describe something that is much better or worse than you expected.
adv.in a manner that causes great surprise or amazement. Often used to introduce a result that is significantly different from a previous expectation.
“The team won the game astonishingly quickly.”
“Astonishingly, the small startup managed to outperform the established giants in the same industry.”
“Astonishingly, the ancient manuscript survived the centuries of war and decay, providing modern scholars with an unprecedented look into the daily lives of the era.”
“While we’re unconscious, the brain is astonishingly busy.”
“Luckin developed as a tech company with astonishingly detailed data about how customers' preferences change by day, and by different weather.”
From astonishing + -ly.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.