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THESAURUS

WORDNET DICTIONARY

Adverbial vigorously has 1 sense

• vigorously(r = adv.all) smartly - with vigor; in a vigorous manner; "he defended his ideas vigorously"

THESAURUS

vigorously

actively, alertly, boldly, briskly, dynamically, eagerly, energetically, firmly, forcefully, forcibly, hammer and tongs, hardily, hardly, heartily, like crazy, like mad, lustily, might and main, mightily, powerfully, purposefully, resolutely, robustly, spiritedly, stalwartly, strenuously, strongly, unfalteringly, vivaciously, with a vengeance, zealously

For further exploring for "vigorously" in Webster Dictionary Online