Longman Dictionary of Contemporary English
death-defying
adjective
EXAMPLES FROM CORPUS
▪ Driving a Rolls-Royce into a swimming pool was Crawford's death-defying contribution to his next film, Hello-Goodbye.
▪ Farini returned to Niagara in 1864, and there he attempted another death-defying feat.
▪ He's come a long way since then - but underneath he's still the same determined, death-defying Barry Sheene.
▪ Next, the death-defying act from the stewardesses, those bashful girls and their oxygen mine.
▪ So why do these death-defying techno-superheroes have such tress trauma?
▪ The steep slope towards Regent's Park would be cluttered with death-defying sledges.
▪ This is for experts only, and even then, it can be a death-defying attempt.
Wiktionary
death-defying
a. Very perilous; involving a lot of danger.