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

Linebacker was one of the Horned Frogs’ strengths on defense last season, and a dropoff from last year’s success could imperil a defense that wants to take a step forward. — Lawrence Dow, Fort Worth Star-Telegram, 15 Aug. 2026

That detour plays into the hand of Mayor Humdinger who hatches a dirty rotten plan to mine the isle of its gem resources, a development that imperils all. — Randy Myers, Mercury News, 12 Aug. 2026

Central Florida Congressman Cory Mills faces dwindling campaign funds and growing opposition from members of his own party, potentially imperiling his re-election bid with less than a week to go before the primary. — Annie Martin, The Orlando Sentinel, 12 Aug. 2026

Democrats had sought additional provisions that could have imperiled its passage. — Kaia Hubbard, CBS News, 8 Aug. 2026