Synonyms of imperil

imperil

verb

im-ˈper-əl 

as in to endanger

to place in danger

a single mistake could imperil the lives of everyone involved in the military operation

Synonyms & Similar Words

• endanger
• threaten
• risk
• jeopardize
• compromise
• menace
• adventure
• peril
• venture
• hazard
• jeopard
• gamble (with)
• intimidate
• subject
• expose
• wager
• chance

Antonyms & Near Antonyms

• protect
• preserve
• guard
• shelter
• save
• shield
• resume

Example Sentences

Recent Examples of imperil

All three museums have major exhibitions opening in early October; whether these are imperiled remains to be seen. — News Desk, Artforum, 16 Sep. 2026

Since the war began, the United States and Europe have expected its mounting costs to weigh down and even imperil Putin. — Michael Kimmage, Foreign Affairs, 14 Sep. 2026

Independent media, already imperiled due to the Kremlin’s crackdown on dissent, was all but outlawed. — Christopher Vourlias, Variety, 5 Sep. 2026

The Catalina Island Conservancy says that nonnative deer worsen erosion and wildfire risk and imperil native species. — Alex Wigglesworth, Los Angeles Times, 2 Sep. 2026