Dictionary.com
Thesaurus.com
Showing results for fire alarm. Search instead for more ajar.
Synonyms

fire alarm

American  

noun

  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

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.

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

Just after 06:00 on 27 December, the fire brigade in Gelsenkirchen and a private security firm received a fire alarm warning from the bank, which may have been triggered by the thieves.

From BBC • Feb. 14, 2026

But that's when the sound of a fire alarm cut through her morning.

From BBC • Jan. 15, 2026

His wife, who was at home, got word of the situation and made it out—even though, he said, the fire alarm never sounded.

From The Wall Street Journal • Nov. 28, 2025

The next thing we knew, the stupid fire alarm was going off.

From "Because of Mr. Terupt" by Rob Buyea