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
Synonyms
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
So the panel is top tier and should be a formidable alternative to the QD-OLED display used in Samsung’s respective 2025 flagship, the S95F. OLED TVs just keep getting brighter, more vivid, and dazzling — and consumers really can’t go wrong with any of them.
—Chris Welch, The Verge, 10 Jan. 2025
Someone, anyone, needs to step up and take the reins here, as the Flyers have looked formidable otherwise.
—Dom Luszczyszyn, The Athletic, 10 Jan. 2025
After navigating a few early hiccups—which included, of all things, snail slime—TikTok Shop proved formidable; the app’s surge in vendors outpaced competitors like Amazon, which TikTok ultimately wants to replace (or at least dethrone).
—Jason Parham, WIRED, 10 Jan. 2025
Those connections make Wikler a formidable candidate, but those same ties could be a liability if the chair race turns into a clash between establishment and more grassroots leaders, who have longstanding grievances about how the DNC operates and being too close to megadonors.
—Phillip M. Bailey, USA TODAY, 9 Jan. 2025
See all Example Sentences for formidable 
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Chris Welch, The Verge, 10 Jan. 2025
Someone, anyone, needs to step up and take the reins here, as the Flyers have looked formidable otherwise.
—Dom Luszczyszyn, The Athletic, 10 Jan. 2025
After navigating a few early hiccups—which included, of all things, snail slime—TikTok Shop proved formidable; the app’s surge in vendors outpaced competitors like Amazon, which TikTok ultimately wants to replace (or at least dethrone).
—Jason Parham, WIRED, 10 Jan. 2025
Those connections make Wikler a formidable candidate, but those same ties could be a liability if the chair race turns into a clash between establishment and more grassroots leaders, who have longstanding grievances about how the DNC operates and being too close to megadonors.
—Phillip M. Bailey, USA TODAY, 9 Jan. 2025
See all Example Sentences for formidable
Dictionary Entries Near formidable
Cite this Entry
“Formidable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/formidable. Accessed 18 Jan. 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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