formidable
adjective
for·mi·da·ble
ˈfȯr-mə-də-bəl 
fȯr-ˈmi-də-bəl
fȯr-ˈmi-də-bəl
fər-ˈmi-də-bəl
1
: causing fear, dread, or apprehension
a formidable prospect
2
: having qualities that discourage approach or attack
a formidable opponent
3
: tending to inspire awe or wonder : impressive
a formidable accomplishment
Examples of formidable in a Sentence
She was known throughout Manchester as a formidable woman, and being educated had only piled more formidability on top of what she had been born with.
—
Edward P. Jones, The Known World, 2003
The technology was formidable: using two and a half million rivets, 300 steeplejacks working flat out would run it up in the space of two years …
—Alistair Horne, Seven Ages of Paris, 2002
Alta is reached by a hairpin road that climbs steadily upward—a ride of thirty minutes or so, depending on road and weather conditions—through some of the most formidable mountain scenery in the country.
—Cynthia Zarin, New Yorker, 23 Mar. 1992
The mountains were a formidable barrier.
He has mastered a formidable amount of material.
Edward P. Jones, The Known World, 2003
The technology was formidable: using two and a half million rivets, 300 steeplejacks working flat out would run it up in the space of two years …
—Alistair Horne, Seven Ages of Paris, 2002
Alta is reached by a hairpin road that climbs steadily upward—a ride of thirty minutes or so, depending on road and weather conditions—through some of the most formidable mountain scenery in the country.
—Cynthia Zarin, New Yorker, 23 Mar. 1992
The mountains were a formidable barrier.
He has mastered a formidable amount of material.
Recent Examples on the Web
Mesidor has formed a formidable one-two punch on the Hurricanes’ defensive line with Rueben Bain Jr.
—Jordan McPherson, Miami Herald, 25 Oct. 2025
Jazz In recent years, the pianist Vijay Iyer and the drummer Tyshawn Sorey, defining composers and leaders of contemporary jazz, have become one of its most formidable pairings.
—Hilton Als, New Yorker, 24 Oct. 2025
Despite these achievements, The Beatles’ statistics remain formidable.
—Megan Cartwright, MSNBC Newsweek, 24 Oct. 2025
The shifting perceptions and twisty script created a formidable acting experience for Zollicoffer, who is nominated for Best Actress at FilmQuest.
—William Earl, Variety, 23 Oct. 2025
See All Example Sentences for formidable
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Jordan McPherson, Miami Herald, 25 Oct. 2025
Jazz In recent years, the pianist Vijay Iyer and the drummer Tyshawn Sorey, defining composers and leaders of contemporary jazz, have become one of its most formidable pairings.
—Hilton Als, New Yorker, 24 Oct. 2025
Despite these achievements, The Beatles’ statistics remain formidable.
—Megan Cartwright, MSNBC Newsweek, 24 Oct. 2025
The shifting perceptions and twisty script created a formidable acting experience for Zollicoffer, who is nominated for Best Actress at FilmQuest.
—William Earl, Variety, 23 Oct. 2025
See All Example Sentences for formidable
Cite this Entry
“Formidable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/formidable. Accessed 31 Oct. 2025.
Copy CitationKids Definition
formidable
adjective
for·mi·da·ble
ˈfȯr-məd-ə-bəl
also
fȯr-ˈmid-
1
: causing fear or dread
a formidable foe
2
: offering serious difficulties
the mountains were a formidable barrier
3
: very impressive
had won a formidable number of medals
formidableness
noun
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