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imperil.

Verb
Formal
MEANING

To put someone or something at serious risk of harm, loss, or failure.

Use it for

Words that belong together

  • imperil lives
  • imperil a plan
  • imperil someone’s future

On the page

One careless signal could imperil the evacuees crossing the ridge.

Nearby words

Opposite meanings

Word forms
Base
imperil
Past tense
imperiled
Past participle
imperiled
Present participle
imperiling
Full tense & aspect guide
Present
imperil
Present continuous
am/is/are imperiling
Present perfect
have/has imperiled
Present perfect continuous
have/has been imperiling
Past
imperiled
Past continuous
was/were imperiling
Past perfect
had imperiled
Past perfect continuous
had been imperiling
Future
will imperil
Future continuous
will be imperiling
Future perfect
will have imperiled
Future perfect continuous
will have been imperiling

Choose the auxiliary that agrees with your subject. These are constructions of one word, not separate entries.

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Usage notes

Usually takes a direct object; it signals consequential danger, not mere inconvenience.

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