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false alarm

false alarm

23 3.5
A warning that something bad is happening when it is not
  • noun
  • /fɔls əˈlɑrm/
translation icon : alarma falsa
  • When the fire alarm rang, it turned out to be a false alarm and there was no fire.
  • rate of false alarms

However, it took a sudden U-turn when it became apparent by the end of the year that the whole thing was a false alarm.

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Examples

  • Repeated false alarms may cost less than a single failure to respond when the danger is great.

    Academic text (1999)
  • I don't think it's a false alarm.

  • Nine times out of ten, it's a false alarm.

  • It's probably a false alarm.

  • At first, I thought it was a false alarm too...

    Fiction book (1995)
  • But it would be a false alarm, of course.

    Fiction book (1994)
  • These false alarms happen all the time.

  • There were also a few false alarms in the first weeks of the war.

    Academic text (1993)
  • By then, we had had many false alarms.

    Fiction book (1993)
  • It's a false alarm.

Antonyms

A strong chance that people or property will be harmed

How Serious

swatting
  • Offensive
9.5
false alarm
23 3.5
hoax
166 4.1
crank call
  • Offensive
4 6.7

Surface Forms

false alarm singular
false alarms plural

Morphology

false + alarm

The meaning is directly compositional: 'false' (not real/unfounded) modifies 'alarm' (a warning), so together they denote a warning that turns out to be unfounded. This adjective+noun pattern is straightforward and cross-linguistically common, so a B1 learner who knows both constituents can reliably infer the MWE meaning.

Etymology

The phrase false alarm comes from old warning bells: if an alarm rang by mistake and there was 'no danger', people rushed out for nothing. So today a false alarm means a warning that is 'not true'.