What does "mightily" mean?
In a mighty manner.; With much physical force, power, or strength; also, with divine or superhuman power or strength.
adv, slang ·Common ·High school level
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"The chivalrous knights entered the lists and fought mightily."
"Sir, I ſhal not be ſlacke, in ſigne vvhereof / Pleaſe ye vve may contriue this afternoone, / And quaffe carovvſes to our Miſtreſſe health, / And do as aduerſaries do in lavv, / Striue mightily, but eate and drinke as friends."
"[A]lthough he vvas a man mightely friended, yet vvas he by a publike decree baniſhed into one of the Abſyrtides, iſlan ds vpon the coaſt of Libvrnia."
"He sounded mightily proud of himself."
"[T]his group of the lion and the man [a sculpture] now bear an unfinished, unwrought appearance, but you cannot look at it a moment, and not instantly avow the majesty and grandeur of the idea that once lay there so mightily embodied."
"He strove mightily to overcome his addiction to heroin."
In a mighty manner.; With much physical force, power, or strength; also, with divine or superhuman power or strength.
Common synonyms include: almighty, arduously, authoritatively, awfully, big, cogently.
He strove mightily to overcome his addiction to heroin.
Pronounced /ˈmaɪtɪli/.
From Middle English mightili (“with might, powerfully, strongly; forcefully, violently; greatly; etc.”), from Old English meahtiglice (“with might, powerfully, mightily”), from meahtiġ, mihtiġ (“powerful, mighty”) + -līċe (suffix forming adverbs). Mihtiġ is derived from Proto-Germanic *mahtīgaz (“mighty”), from *mahtiz (“force, strength; ability, power”) (ultimately from Proto-Indo-European *megʰ- (“to be able”)) + *-gaz (suffix with the sense ‘being; doing; having’ forming adjectives). By surface analysis, mighty + -ly (suffix forming adverbs).