Alarms
Sirens
Mutual synonyms
Both words in one sentence
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Apparently, they'd never heard of emergency sirens or alarms, since there are plenty of other things on Earth that make loud and annoying sounds.
Source: Film / Invasion of Astro-Monster -
Anyone accustomed to running away when the Viral Detector goes off will flinch when encountering actual sirens/alarms.
Source: The Tetris Effect - Cautionary statement during a time of military emergency to inform personnel (and the audience) that any alarms or sirens are signals of imminent threat, and that they should be prepared to respond accordingly.
Source: This Is Not a Drill
Cite this Source
Sirens and Alarms. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/alarms/sirens
Alarms & Sirens. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/alarms/sirens>.
Sirens or Alarms. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/alarms/sirens.
Google Ngram Viewer shows how "alarms" and "sirens" have occurred on timeline