adverb

vigorously

vigorously, energetically, forcefully, strenuously

She shook her head vigorously.

She shook her head vigorously.

He vigorously denied the accusations.

He vigorously denied the accusations.

((verb) vigorously) to do (verb) with energy The team trained vigorously.

Synonyms: energetically, forcefully, strenuously; Antonyms: weakly, feebly

From the adjective 'vigorous' plus the adverb-forming suffix '-ly'.

This describes doing something 'in a vigorous way'. If you exercise vigorously, you do it with a lot of energy.

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