keep a weather eye open

Proposed by a contributor, not yet supported by evidence.

Meaning · English

remain vigilant and prepared for potential problems

Nghĩa · Tiếng Việt

Cảnh giác và sẵn sàng đối mặt với vấn đề tiềm năng

Machine-translated — suggest a fix

Literally: watch the weather
Where it’s used: Used Widespread English

Examples

Keep a weather eye open for any changes in the market.

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 2026-07-31; pending editor spot-check.

Common questions

What does “keep a weather eye open” mean?

remain vigilant and prepared for potential problems Literally: watch the weather

Is “keep a weather eye open” formal or informal?

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