Meanings
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1
adj
Very strong, large, or powerful.
The mighty river carved a deep valley through the rock.
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2
adj
Done with great force or power.
With one mighty blow, he split the log in two.
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3
adv
Very (informal, common in the southern United States).
That's a mighty fine guitar you've got there.
Thesaurus
Etymology
From Middle English mighty, mightie, mighti, myghty, miȝty, maȝty, from Old English mihtiġ, mehtiġ, meahtiġ, mæhtiġ (“mighty”), from Proto-West Germanic *mahtīg (“mighty”), from Proto-Germanic *mahtīgaz (“mighty”), equivalent to might + -y. Cognate with Scots michty, mychty, Saterland Frisian machtich, Dutch machtig, German Low German machtig, German mächtig, Swedish mäktig.