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.
Watson founded the global Sea Shepherd conservation movement in the 1970s and for decades won a fearsome reputation for ramming vessels and other aggressive tactics in confrontations on the high seas that repeatedly landed him in jail. CBS News, 1 Apr. 2026 During the opening series of the season against the Arizona Diamondbacks, Tatiana Tate was called upon to blow the horn as the fearsome fireballer made his way through the outfield to the mound. Tyler Erzberger, MSNBC Newsweek, 29 Mar. 2026 But Loyer and Smith in particular are fearsome threats from outside. Christian Babcock, Mercury News, 28 Mar. 2026 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 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 6 Apr. 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