deer in the headlights

Proposed by a contributor, not yet supported by evidence.

Meaning · English

Completely shocked or stunned, unable to move or react.

Nghĩa · Tiếng Việt

Bị sốc hoàn toàn, không thể di chuyển hoặc phản ứng

Machine-translated — suggest a fix

Literally: deer frozen in car headlights
Where it’s used: Used Widespread English

Examples

She was like a deer in the headlights when she saw the accident.

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.

Common questions

What does “deer in the headlights” mean?

Completely shocked or stunned, unable to move or react. Literally: deer frozen in car headlights

Is “deer in the headlights” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.