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Definition of formidable

formidable

/ˈfɔːr.mɪ.də.bəl/
for · mi · da · ble
Adverb:formidably
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formidable Lexical Profile

formidable Game Scores & Validity

• adjective

1

Inspiring fear, dread, or respect through being impressively large, powerful, intense, or capable.

Example

"The reigning champion proved to be a formidable opponent on the tennis court."

2

Discouragingly difficult to deal with, overcome, or accomplish; demanding great effort.

Example

"Rebuilding the historic library after the flood was a formidable task that required years of planning."

Synonyms
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Antonyms
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Word Nuance & Usage

In French, 'formidable' acts as a false friend meaning simply 'wonderful' or 'terrific', whereas in English it always implies that something is impressively powerful, challenging, or intimidating.

• Nearby Words

formerly
formfitting
formica
formidable
formidably
formless
formlessly

Word Origin & Etymology

Borrowed in the late 14th century via Old French from Latin formidabilis ('causing fear'), from formidare ('to dread or fear') and formido ('terror, dread').

Cite this Entry

Wordmom. (2026). Definition of Formidable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/formidable
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