1
as in terrifying
causing fear
a formidable, irascible old man who frightened the neighborhood children
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in difficult
requiring considerable physical or mental effort
running a marathon is a formidable undertaking
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of formidable
Both of them suggest the guitarist Loren Connors leading the early roars of Earth, his intuitive way of navigating the instrument’s neck bolstered by a formidable wall of hum at his back.
—
Grayson Haver Currin, Pitchfork, 14 May 2026
Nette was also a formidable athlete and presence in her own right.
—Kendrick Calfee, Kansas City Star, 14 May 2026
Minnesota entered the game with a formidable 21 points, albeit with an inconsistent home record.
—Braidon Nourse, Denver Post, 14 May 2026
In a way, the formidable Gabrielle has become invisible, even to herself.
—Jon Frosch, HollywoodReporter, 13 May 2026
See All Example Sentences for formidable
Grayson Haver Currin, Pitchfork, 14 May 2026
Nette was also a formidable athlete and presence in her own right.
—Kendrick Calfee, Kansas City Star, 14 May 2026
Minnesota entered the game with a formidable 21 points, albeit with an inconsistent home record.
—Braidon Nourse, Denver Post, 14 May 2026
In a way, the formidable Gabrielle has become invisible, even to herself.
—Jon Frosch, HollywoodReporter, 13 May 2026
See All Example Sentences for formidable
Recent Examples of Synonyms for formidable
Adjective
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The tech is terrifying, but it’s treated matter-of-factly, played for barked laughs.—
Inkoo Kang,
New Yorker,
17 May 2026
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Michael Johnston and Inde Navarrette star as the main couple, Bear and Nikki, who fall victim to the One Wish Willow, a wish-granting toy with terrifying results.—
Jordan Moreau,
Variety,
16 May 2026
Adjective
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When Thomson went through a difficult divorce, in 2014, Djena would often check in on her, showing up at her door with food.—
Yudhijit Bhattacharjee,
New Yorker,
18 May 2026
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Crow-Armstrong had just failed to make a highly difficult, leaping catch at the wall.—
Alejandro Avila OutKick,
FOXNews.com,
18 May 2026
Adjective
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Eidinger is perfect for the role, and his escalating temper tantrums — almost camp at first, with delicious echoes of Christoph Waltz’s Hans Landa — become frightening in their intensity.—
Damon Wise,
Deadline,
18 May 2026
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But at Medley Club, residents never lost power during the entire frightening ordeal.—
Jeffrey Steele,
Forbes.com,
18 May 2026
Adjective
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Figuring out how to animate them was challenging.—
Marta Balaga,
Variety,
13 May 2026
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With more than 7,300 yards of play, this challenging course also allows shorter three- or six-hole loops, perfect for golf vacations with kids who may not be up for an entire 18-hole round.—
Megan duBois,
USA Today,
13 May 2026
Adjective
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Part of what makes Nikki so scary is that these intense moments seem to come out of nowhere.—
Louis Peitzman,
Vulture,
18 May 2026
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Two friends from Auburn and Berkeley were meeting halfway for a picnic in Sacramento but said even driving there in the strong wind was scary.—
Kayla Moeller,
CBS News,
18 May 2026
Adjective
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Each of those teams will be competing for playoff spots again, leaving the Raiders with no easy divisional wins and a tough out-of-division schedule.—
Sam Warren,
New York Times,
15 May 2026
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The group did just enough against Sale and a tough Braves bullpen to avoid getting shut out for the third time in five games.—
Meghan Montemurro,
Chicago Tribune,
15 May 2026
Adjective
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Residents describe ‘a terrible night’ More than 30 people were injured in the apartment building collapse, while emergency workers rescued 28 residents, Interior Minister Ihor Klymenko said.—
Samya Kullab,
Los Angeles Times,
14 May 2026
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And some were not kind to him on social media following the terrible first round.—
Dan Zaksheske OutKick,
FOXNews.com,
14 May 2026
Adjective
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Students reportedly balanced rigorous courses and activities Many of the students took difficult classes such as AP Physics, AP Economics and multivariable calculus while also participating in clubs, sports and community organizations.—
Anthony Thompson,
USA Today,
15 May 2026
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The report goes on to say separate academies for immigrant and refugee students can deny them access to rigorous coursework and diverse elective options, and can hinder their academic process and social integration.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
15 May 2026
Cite this Entry
“Formidable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/formidable. Accessed 20 May. 2026.
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