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Synonyms

fire alarm

American  

noun

fire alarms plural
  1. a signal that warns that a fire has started.

  2. a bell, buzzer, siren, horn, etc., that provides such a signal.


fire alarm British  

noun

  1. a device to give warning of fire, esp a bell, siren, or hooter

  2. a shout to warn that a fire has broken out

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of fire alarm

An Americanism dating back to 1840–50

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.

His alarm clock, a big and bulky machine that’s Bluetooth-connected to the house’s fire alarm, rattles his room until he finally shuts it off.

From Los Angeles Times • Jun. 11, 2026

“You want to get somebody’s attention really quick? Make the fire alarm go off in your spacecraft when you’re still about 80,000 miles from home,” Wiseman said.

From The Wall Street Journal • Apr. 16, 2026

Sound-designed by David Gertsman, “undertone” is so quiet that a tea kettle sounds like a fire alarm.

From Los Angeles Times • Mar. 11, 2026

Some years ago, a fire alarm went off in his own home – in a room where his tumble dryer was operating.

From BBC • Jan. 15, 2026

I let him win twice and left with the fire alarm key in my back pocket.

From Full of Beans by Jennifer L. Holm

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