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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

The ShakeAlert system that warns about imminent shaking arriving from earthquakes sent a false alarm across California on Thursday morning for a magnitude 5.9 temblor that did not happen.

From Los Angeles Times • Dec. 22, 2025

And though the Aukus review was a scare it was ultimately a false alarm.

From BBC • Oct. 20, 2025

Unsurprisingly, Mr. Weasley found, upon arrival at Mr. Moody’s heavily guarded house, that Mr. Moody had once again raised a false alarm.

From "Harry Potter And The Goblet Of Fire" by J. K. Rowling