(adv.) In a lusty or vigorous manner.

actively aloud animatedly briskly con brio deafeningly energetically firmly forcefully forcibly forte fortemente fortissimo heartily imperviously impregnably in full cry intensely invincibly invulnerably irresistibly keenly loud loudly mightily noisily powerfully pungently resistantly resoundingly ringingly robustly ruggedly soundly spiritedly stalwartly staunchly stoutly strenuously strongly sturdily unyieldingly uproariously vigorously vivaciously with pep zestfully