fearsome

adjective

fear·​some ˈfir-səm How to pronounce fearsome (audio)
Synonyms of fearsomenext
1
a
: causing fear
a fearsome monster
b
: intense, extreme
fearsome determination
2
fearsomely adverb
fearsomeness noun

Examples of fearsome in a Sentence

at night the child would always imagine that there were fearsome monsters lurking under his bed after working all afternoon in the hot sun, I had developed a fearsome thirst
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.
Today, two small new volcanoes are growing out of its bay, and another one called Kolumbo — capable of producing fearsome tsunamis and clouds of suffocating gases — lurks underwater just offshore. Quanta Magazine, 27 Mar. 2026 The Clinic, first published as a pamphlet in 1998, was named in honor of the London Clinic, where Pinochet was held after his arrest, reflecting an effort to show the formerly fearsome dictator as an old man in decline. Livia Gershon, JSTOR Daily, 27 Mar. 2026 The fort stood high above the river, where fearsome artillery was able to turn back the Union gunboats that had pounded low-lying Fort Henry into submission. Bill Steiden, Des Moines Register, 24 Mar. 2026 Donica, across from her, is on sturdier ground, fearsome to the point of awe-inspiring in the sustained fury of his fermatas, though his considerable force as a performer longs to be shaped more cleanly. Jackson McHenry, Vulture, 19 Mar. 2026 See All Example Sentences for fearsome

Word History

First Known Use

1768, in the meaning defined at sense 1a

Time Traveler
The first known use of fearsome was in 1768

Browse Nearby Words

Cite this Entry

“Fearsome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fearsome. Accessed 31 Mar. 2026.

Kids Definition

fearsome

adjective
fear·​some ˈfi(ə)r-səm How to pronounce fearsome (audio)
1
: causing fear
2
: timid
fearsomely adverb
fearsomeness noun

More from Merriam-Webster on fearsome

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