fire alarm

noun

: a device that makes a loud sound to warn people when there is a fire
Someone set off the fire alarm.

Examples of fire alarm in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But even if the activation button had been pressed, more than a third of the sirens weren’t working, and a later test showed that the button at the fire alarm office wasn’t either. Cassandra Garibay, ProPublica, 24 Mar. 2026 Investigators determined that a 15-year-old was able to escape from the home when the fire alarm went off. Jt Moodee Lockman, CBS News, 17 Mar. 2026 When a fire alarm fails, a sprinkler system shuts down, or a fire marshal issues a violation notice, businesses often face immediate safety and compliance concerns. Matthew Kayser, Miami Herald, 11 Mar. 2026 University Health undertook a fire alarm system replacement project in August 2020 on its Rio and Horizon towers in the Medical Center, the suit says. Patrick Danner, San Antonio Express-News, 5 Mar. 2026 See All Example Sentences for fire alarm

Cite this Entry

“Fire alarm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fire%20alarm. Accessed 1 Apr. 2026.

Kids Definition

fire alarm

noun
: an alarm sounded to signal the outbreak of a fire
also : a device for sounding such an alarm
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster