- 1[uncountable] serious danger The country's economy is now in grave peril. She seemed blissfully unaware of the peril she was in.
- 2[countable, usually plural] peril (of something) the fact of something being dangerous or harmful a warning about the perils of drug abuse Idioms
NAmE//ˈpɛrəl//(formal or literary)
used to warn someone that if they do something, it may be dangerous or cause them problems Teachers ignore the importance of these results at their peril.
do something at your (own) periljump to other results