Словарь синонимов английского языка - vigorously

(adv) energetically, actively, vivaciously, dynamically, briskly, spiritedly, bobustly, strongly, hardily, heartily, lustily, stalwartly, eagerly, with might and main, with a vengeance, strenuously, Colloq like mad, like crazy, hammer and tongs: It may not be good for you to exercise vigorously every day.