mightier; mightiest
1
: having or showing great strength or power
The barbarians faced a mighty army.
the decline of a mighty empire
the mighty Mississippi
a mighty oak
mighty deeds
With a mighty leap, he jumped across the stream.
2
: very great
A mighty famine devastated the land.
It took a mighty effort to get everything done on time.
chiefly US, informal
: to a great degree : very
Your father and I are mighty proud of you.
That was a mighty tasty dinner.
He made the offer mighty appealing.
She has some mighty important decisions to make.
It sure was mighty cold last night.
We're mighty glad to be here.
Cite this Entry
“Mighty.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/mighty. Accessed 19 Jun. 2026.
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