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be on alert



Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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German forecasters said parts of the country needed to be on alert for thunderstorms, hail and heavy rain over the weekend.

From Barron's Jun. 19, 2026

The IMF chief said regulators should be on alert for any signs of instability in the financial system as a consequence of the conflict.

From The Wall Street Journal Apr. 9, 2026

Anyone playing in the already-volatile small-cap arena should be on alert to avoid getting burned.

From Barron's Nov. 18, 2025

Dog owners may need to be on alert for a disease many have never heard of — anaplasmosis, spread by the same tick that transmits Lyme disease.

From Los Angeles Times Aug. 18, 2025

Lately, I felt like I always had to be on alert for the next raccoon invasion.

From "Crenshaw" by Katherine Applegate




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