mightily
Adverb
Meaning
In a mighty manner; with might; with great earnestness; vigorously; powerfully.
To a great degree; very much.
Source: Webster's dictionarySynonyms
Antonyms
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Examples
the baby is mighty cute
he's mighty tired
it is powerful humid
that boy is powerful big now
they have a right nice place
they rejoiced mightily