vigorously

adverb

done with strength and speed

Wiktionary

Pronunciation: /ˈvɪɡəɹəsli/

adv

Etymology: Etymology tree English vigorous Proto-Indo-European *leyg-der. Proto-Germanic *līkąder. Proto-Germanic *-līkaz Proto-Germanic *-ê Proto-Germanic *-līkê Proto-West Germanic *-līkē Old English -līċe Middle English -ly English -ly English vigorously From vigorous + -ly.

With intense energy, force or vigor
“The lawyer vigorously defended her client.”
“He knocked vigorously on the door.”