Synonyms of imperil

imperil 1 of 2

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

imperilment

2 of 2

noun

as in risk

the state of not being protected from injury, harm, or evil

the city has reduced the number of its firefighters, to the imperilment of every homeowner

Synonyms & Similar Words

• risk
• jeopardy
• danger
• trouble
• peril
• endangerment
• distress
• threat
• harm's way
• vulnerability
• exposure
• susceptibility
• precariousness
• openness
• liability
• helplessness
• susceptibleness
• defenselessness
• weakness

Antonyms & Near Antonyms

• safety
• security
• salvation
• preservation
• protection
• defense
• secureness
• safeness
• exemption
• immunity
• inviolability
• impunity
• invulnerability

Example Sentences

Recent Examples of imperil

Verb

Ten Democratic lawmakers told Defense Secretary Pete Hegseth in a letter Sunday that his gutting of a program focused on protecting civilians is a leadership failure that imperils service members and erodes the military’s moral standing. — Hannah Allam, ProPublica, 6 July 2026

When the Phillies lost 19 of their first 28 games and the whole summer felt imperiled, some corners of the organization wondered if the first All-Star Game at Citizens Bank Park would showcase anything good about the local team. — Matt Gelb, New York Times, 5 July 2026

Efforts to reopen the Strait of Hormuz without Iran’s direct oversight sparked the days of crossfire and have imperiled the talks for a lasting ceasefire. — Jon Gambrell, Chicago Tribune, 28 June 2026

The latest truce agreement was reached after the two sides traded deadly fire on Friday, imperiling negotiations to reach a final peace deal between the United States and Iran. — Caitlin Danaher, CNN Money, 20 June 2026