imperil

[im-per-uh l] /ɪmˈpɛr əl/

verb (used with object), imperiled, imperiling or (especially British) imperilled, imperilling.

to put in peril or danger; endanger.

Origin

1590-1600; im-¹ + peril

Related forms

imperilment, noun

Synonyms

risk, jeopardize, hazard, chance.

Examples from the web for imperil

And some percentage of humans will seek out mood-altering substances or experiences that imperil their lives.
Business groups have argued that imposing the stricter pollution limits now would imperil growth.

British Dictionary definitions for imperil

/ɪmˈpɛrɪl/

verb -rils, -rilling, -rilled (US) -rils, -riling, -riled

(transitive) to place in danger or jeopardy; endanger

Derived Forms

imperilment, noun

Word Origin and History for imperil

1590s, from assimilated form of in- "into, in" (see in- (2)) + peril. Related: Imperiled; imperiling.