English Reference
Idiom idiom

false alarm


A thing or occurrence which initially causes fear, distress, etc. but which is subsequently recognized as being no cause for concern.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

The smoke detector went off, but it was just a false alarm.

CONTEXTUAL

We rushed to the hospital because of the pain, but the doctor said it was a false alarm.

COMPLEX

Although the sirens initially caused widespread panic throughout the city, authorities soon confirmed that the incident was merely a false alarm.


Last updated August 10, 2026