alarming

adjective

alarm·​ing ə-ˈlär-miŋ How to pronounce alarming (audio)
Synonyms of alarmingnext
: causing people to feel danger or alarm or to be worried or frightened
alarming news
The statistics revealed an alarming increase in childhood obesity.
alarmingly
ə-ˈlär-miŋ-lē
adverb
an alarmingly high rate of infection

Examples of alarming in a Sentence

an alarming rise in her fever, causing the doctor to fear the worst
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.
In the streets of Washington, word of the alarming development spread through discussions with rideshare drivers and in the overheard comments of tuxedoed attendees who blurted out comments in smartphone conversations while walking away from the original site of the dinner. Brian Steinberg, Variety, 26 Apr. 2026 Suddenly, the Spurs got uncontested dunks at an alarming rate. Christian Clark, New York Times, 26 Apr. 2026 Sunday was more alarming, as Gil only induced three whiffs. Gary Phillips, New York Daily News, 26 Apr. 2026 Most alarming of all, Gil only induced three whiffs from the Astros. Gary Phillips, Hartford Courant, 26 Apr. 2026 See All Example Sentences for alarming

Word History

Etymology

from present participle of alarm entry 2

First Known Use

1658, in the meaning defined above

Time Traveler
The first known use of alarming was in 1658

Browse Nearby Words

Cite this Entry

“Alarming.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alarming. Accessed 28 Apr. 2026.

More from Merriam-Webster on alarming

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