Wiktionary
vigourous
a. (alternative form of vigorous English)
Usage examples of "vigourous".
Atlantic, too, the partisans of slavery were subject to a vigourous attack.
Govind, who bestowed on himself and his followers the title of Singh, or lion-hearted, hitherto an epithet appropriated in this connection by the Rajpoot nobility, devoted the strong energies of his vigourous and daring nature to the purpose of establishing the faith of Nanuk by force of arms.