Synonyms of mightily

mightily

adverb

ˈmī-tə-lē 

1

as in extremely

to a great degree

every volunteer contributed mightily to the cause

Synonyms & Similar Words

• extremely
• terribly
• very
• incredibly
• too
• badly
• highly
• greatly
• severely
• so
• damned
• desperately
• damn
• really
• heavily
• wildly
• intensely
• seriously
• far
• immensely
• much
• especially
• fiercely
• that
• jolly
• particularly
• most
• mighty
• awfully
• super
• enormously
• exceptionally
• fantastically
• hugely
• exceedingly
• such
• fabulously
• supremely
• vitally
• full
• way
• thoroughly
• mortally
• specially
• vastly
• absolutely
• frightfully
• deeply
• awful
• real
• sore
• remarkably
• totally
• uncommonly
• positively
• sorely
• utterly
• wicked
• extra
• good and
• surpassingly
• completely
• passing
• achingly
• roaring
• significantly
• colossally
• eminently
• archly
• rattling
• majorly
• beastly
• bone
• almighty
• cracking
• thumping
• entirely
• a lot
• deadly
• considerably
• whacking
• roaringly
• dang
• monstrous
• wholly
• noticeably
• ever
• profoundly
• blisteringly
• visibly
• spanking
• filthy
• right
• radically
• fully
• as all get-out
• unco
• substantially
• extensively
• stinking
• corking
• markedly
• downright
• notably
• obviously
• palpably
• abundantly
• plentifully
• appreciably
• purely
• flat-out
• excessively
• monumentally
• plainly
• altogether
• obscenely
• discernibly
• astronomically
• overmuch
• astonishingly
• amazingly
• monstrously
• grandly
• staggeringly

Antonyms & Near Antonyms

• somewhat
• slightly
• little
• nominally
• negligibly
• just
• scarcely
• marginally
• barely
• hardly
• minimally
• meagerly
• scantily

2

as in hard

with great effort or determination

struggled mightily to climb up the steep cliff

Synonyms & Similar Words

• hard
• intensively
• intensely
• diligently
• intently
• strenuously
• continuously
• arduously
• determinedly
• resolutely
• purposefully
• assiduously
• doggedly
• industriously
• vigorously
• laboriously
• slavishly
• steadily
• actively
• sedulously
• amain
• thoroughly
• energetically
• hardly
• vehemently
• briskly
• dynamically
• seriously
• busily
• feverishly
• zealously
• spiritedly
• unrelentingly
• steadfastly
• unremittingly
• animatedly
• ardently
• earnestly
• conscientiously
• exhaustively
• tirelessly
• indefatigably
• attentively
• willfully
• untiringly
• unabatedly
• painstakingly
• meticulously
• stubbornly
• ploddingly
• unflaggingly
• obstinately
• wearilessly

Antonyms & Near Antonyms

• casually
• wearily
• lazily
• sluggishly
• languidly
• halfheartedly
• listlessly
• tiredly
• desultorily
• indolently
• lackadaisically
• shiftlessly
• spiritlessly

3

as in strongly

in a vigorous and forceful manner

it is a foregone conclusion that the President's supporters will mightily applaud virtually every line of the speech

Synonyms & Similar Words

• strongly
• vigorously
• forcibly
• hard
• powerfully
• fiercely
• firmly
• vehemently
• forcefully
• energetically
• strenuously
• explosively
• dynamically
• sturdily
• eagerly
• stoutly
• roundly
• sharply
• fast
• stiffly
• violently
• with might and main
• with a vengeance
• steadily
• muscularly
• actively
• like gangbusters
• intensively
• intently
• surely
• robustly
• aggressively
• lustily
• briskly
• heartily
• solidly
• soundly
• roughshod
• to beat the band
• manfully
• gamely
• emphatically
• determinedly
• steadfastly
• animatedly
• resolutely
• decidedly
• smartly
• crisply
• squarely
• purposefully
• rigidly
• spiritedly
• potently
• vivaciously
• fixedly
• directly
• assertively
• hammer and tongs
• spunkily
• snappily

Antonyms & Near Antonyms

• gently
• feebly
• weakly
• softly
• faintly
• delicately
• shakily
• lazily
• languidly
• halfheartedly
• listlessly
• ineffectually
• ineffectively
• uncertainly
• frailly
• lamely
• impotently
• bloodlessly
• spiritlessly
• spinelessly
• nervelessly

Example Sentences

Recent Examples of mightily

But the difference between this Florida and the one that struggled mightily from deep? — Noah White, Miami Herald, 14 Oct. 2026

The Commanders defense has struggled mightily against tight ends, allowing five touchdowns over their first four games of the 2026 season, so if there were ever a time to start Likely, this is it. — Jonathan Rubin, Charlotte Observer, 7 Oct. 2026

This quality in Paapa has contributed mightily to his extraordinary talent as an actor, and a human being. — Bryan Cranston, Time, 30 Sep. 2026

Considering the company’s offensive, race-swapping AI ads are being pushed on unsuspecting users on social media, that promise feels mightily disingenuous. — Victor Tangermann, Futurism, 24 Sep. 2026