frightening

adjective

fright·​en·​ing ˈfrī-tᵊn-iŋ How to pronounce frightening (audio)
ˈfrīt-niŋ
Synonyms of frighteningnext
: causing fear
frightening news
a very frightening experience
The man with red eyes made the frightening grimace that passed for his smile.Madeleine L'Engle
For a man who had tussled with crocs, venomous snakes and other frightening creatures, this was going to be a leisurely swim.Jennifer Wulff et al.

Examples of frightening in a Sentence

a truly frightening movie
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.
And, showcasing their awesome, frightening power, one avalanche derailed a train in Switzerland on Monday, injuring five on board, while another swept through a refuge on a French mountainside earlier this month, shattering windows and dumping snowdrifts inside the building’s kitchen. Issy Ronald, CNN Money, 22 Feb. 2026 The frightening moment an avalanche thundered down a mountainside and slammed into a train traveling through the Swiss Alps was captured by a tourist. Emma Bussey, FOXNews.com, 20 Feb. 2026 Greene said the time between a guilty plea or conviction to when a defendant ultimately reports to prison to begin serving a sentence can be frightening and frustrating. Jacob Rosen, CBS News, 19 Feb. 2026 Plenty of unconventional solutions have sprung up as a result, from the ill-advised and frightening (please don’t scoop out your period) to the innocuous and accessible—like seed cycling, or, more recently, the period steak theory. Audrey Bruno, SELF, 19 Feb. 2026 See All Example Sentences for frightening

Word History

Etymology

from present participle of frighten

First Known Use

1652, in the meaning defined above

Time Traveler
The first known use of frightening was in 1652

Browse Nearby Words

Cite this Entry

“Frightening.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frightening. Accessed 28 Feb. 2026.

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