Definition

To put someone or something in danger or at risk.

Example

The storm could imperil the safety of the hikers on the mountain.

Tense Forms

Conversation

I read that pollution can imperil wildlife in our oceans.

That's really concerning! We need to take more action.

Exactly! It feels like we’re imperiling the future of our planet.

Totally, we should all do our part to protect it.

Synonyms & Antonyms

Root Explanation

Imperil is formed from "in-" (meaning not) and "periculum" (meaning danger). The word describes a state of being in danger or at risk.

Memory Tip

Think of being 'not safe' — 'in-' means not, and 'periculum' means danger. This helps you remember that imperil means to put someone or something in danger.

Visually Confused Words