Pronunciation of Formidable
/fɔːmˈɪdəbə͡l/, /fɔːmˈɪdəbə‍l/, /f_ɔː_m_ˈɪ_d_ə_b_əl/

Antonyms for formidable:

facile, easy, unimpressive, unalarming.

Synonyms for formidable:

Sense 1

backbreaking, scary, direful, effortful, awesome, fearsome.

Sense 2

fearful, terrible.

Sense 3

dire, weighty, exigent, ghastly, appalling, rigorous.

Sense 4

exacting, dreadful, taxing, frightful.

Sense 18






Other synonyms and related words:

overpowering, frightening, fearful, ambitious, scary, terrifying, heavy, challenging, appalling, impressive, murderous, forbidding, elevated, tremendous, hellacious, great, dominant, stiff, Moiling, sweaty, unaccountable, dangerous, rigorous, hair-raising, important, terrible, all-powerful, horrible, intimidating, horrifying, alarming, backbreaking, ghastly, shocking, dreadful, exacting, exigent, unnerving, dire, influential, taxing, effortful, front line, direful, ugly, pick-and-shovel, untouchable, redoubtable, frightful, dread, horrendous, awesome, weighty, high, fearsome.

amazing (adjective)


ambitious (adjective)

strenuous, impressive, severe.

dangerous (adjective)


difficult (adjective)

effortful, toilsome, knotty, ticklish, harsh, arduous, fussy, wearying, stiff, cumbersome, oppressive, difficult, burdensome, wearisome, tricky, severe, wearing, rough, grinding, trying, complex, uphill, adverse, strenuous, contrary, finicky, thorny, cantankerous, bothersome, laborious, rugged, stressful, demanding, tough, tight, hard, troublesome, complicated, onerous.

difficult, overwhelming (adjective)

great, arduous, awesome, hard, all-powerful, rough, impressive, challenging, powerful, effortful, laborious, overpowering, tough, uphill, strenuous, toilsome, onerous, tremendous, mighty.

fearsome (adjective)

fearsome, frightening.

horrible, terrifying (adjective)

dangerous, dire, intimidating, fearful, redoubtable, terrible, appalling, frightful, dreadful, shocking.

invulnerable (adjective)

impervious, indestructible, immune, invincible, invulnerable, impenetrable, unbeatable.

powerful (adjective)

exalted, all-powerful, omnipotent, front line, influential, overpowering, great, power, important, unaccountable, autocratic, elevated, commanding, sovereign, dominant, high-powered, untouchable, supreme.

strong (adjective)

mighty, energetic, firm, muscular, brawny, strong, potent, husky, stout, mettlesome, powerful, stable, virile, tough, sturdy, vigorous, sinewy, vital, robust.

Sense 1 (noun)

fearful, forbidding.

Sense 3 (noun)


Sense 4 (noun)

dire, dreadful, scary, frightful, direful, appalling, ghastly, fearsome.

Sense 5 (noun)

effortful, exigent, weighty, rigorous, exacting, backbreaking, taxing, heavy.

formidable (noun)

impressive, alarming, unnerving, redoubtable.

Usage examples for formidable:

  • Habrunt was a formidable man. - "Si'Wren of the Patriarchs", Roland Cheney.
  • The moment that this formidable weapon reached them, was the last of their existence; they stretched their wings, and expired. - "New observations on the natural history of bees", Francis Huber.
  • Young Joe was a formidable figure. - "The Huntress", Hulbert Footner.

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