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Definitions

false alarm

NOUN
needless alarm or worry
Synonyms
WEAK
cry of wolf dud nonstarter

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.

This misinterpretation activates the cell's innate immune system, creating a false alarm that can lead to inflammation and disease.

From Science Daily • Feb. 27, 2026

Historical records reveal there were several close calls in the early ’80s, including the 1983 Soviet nuclear false alarm that could have triggered a nuclear war.

From Slate • Feb. 2, 2026

Others, the sweet relief of a false alarm and disaster narrowly averted.

From Los Angeles Times • Dec. 9, 2025

However, at 06:38 on Friday, he explained the "unknown vessel" was a false alarm.

From BBC • Aug. 8, 2025

“Could be a false alarm, or a test.”

From "Hollow City" by Ransom Riggs