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

What’s more, the Dodgers have struggled mightily to hit fastballs. — Los Angeles Times, 11 Aug. 2026

Emmett Sheehan, after a breakout 2025, had struggled mightily in recent starts, and the injuries had forced LA to turn to journeyman Eric Lauer. — Ian Miller Outkick, FOXNews.com, 6 Aug. 2026

The report from Levy notes that Google CEO Sundar Pichai tried mightily to keep the group, especially Dean and Ghemawat, from leaving. — Ryan Whitwam, ArsTechnica, 5 Aug. 2026

Taylor, 24, was the Rays’ first-round pick in 2023 out of TCU and got off to a good start in his pro career before struggling mightily at Double-A Montgomery in 2025. — Marc Topkin, The Orlando Sentinel, 3 Aug. 2026