1
: in a mighty manner : vigorously
applauded mightily
2
: very much
depressed me mightily
Synonyms
- achingly
- almighty
- archly
- awful
- awfully
- badly
- beastly
- blisteringly
- bone
- colossally
- corking
- cracking
- damn
- damned
- dang
- deadly
- desperately
- eminently
- enormously
- especially
- ever
- exceedingly
- exceeding
- extra
- extremely
- fabulously
- fantastically
- far
- fiercely
- filthy
- frightfully
- full
- greatly
- heavily
- highly
- hugely
- immensely
- incredibly
- intensely
- jolly
- majorly
- mighty
- monstrous [chiefly dialect]
- mortally
- most
- much
- particularly
- passing
- rattling
- real
- really
- right
- roaring
- roaringly
- seriously
- severely
- so
- sore
- sorely
- spanking
- specially
- stinking
- such
- super
- supremely
- surpassingly
- terribly
- that
- thumping
- too
- unco
- uncommonly
- vastly
- very
- vitally
- way
- whacking
- wicked
- wildly
Examples of mightily in a Sentence
They contributed mightily to the cause.
She struggled mightily to read his handwriting.
The soldiers fought mightily before finally surrendering.
Recent Examples on the Web
After signing with the Bucks in free agency, the veteran guard has struggled mightily, averaging just 2.5 points per game on an abysmal 26.8% shooting from the field and 24.5% from three-point range.
—
Kristian Winfield, New York Daily News, 6 Feb. 2025
Eddie Rosario had struggled mightily coming into the matchup but came up big with two hits and three RBI to raise his series average to .143.
—Thomas G. Moukawsher, Newsweek, 6 Feb. 2025
Gurley had just 10 carries for 35 yards, as the Rams struggled mightily on offense.
—Scott Thompson, Fox News, 6 Feb. 2025
As a reader reminded me, RFK Jr. and Rush Limbaugh tangled mightily.
—Jay Nordlinger, National Review, 3 Feb. 2025
See all Example Sentences for mightily 
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Kristian Winfield, New York Daily News, 6 Feb. 2025
Eddie Rosario had struggled mightily coming into the matchup but came up big with two hits and three RBI to raise his series average to .143.
—Thomas G. Moukawsher, Newsweek, 6 Feb. 2025
Gurley had just 10 carries for 35 yards, as the Rams struggled mightily on offense.
—Scott Thompson, Fox News, 6 Feb. 2025
As a reader reminded me, RFK Jr. and Rush Limbaugh tangled mightily.
—Jay Nordlinger, National Review, 3 Feb. 2025
See all Example Sentences for mightily
Dictionary Entries Near mightily
Cite this Entry
“Mightily.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mightily. Accessed 21 Feb. 2025.
Copy CitationKids Definition
mightily
adverb
might·i·ly
ˈmīt-ᵊl-ē 
1
: in a mighty manner : vigorously
fought mightily
2
: very much
contributed mightily to the cause
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