Strĕn'u-ous, a.

(-yŭ-us), a. [Lat. strenuus, allied to Gr. στρηνής, strong, hard, rough, harsh; It. strenuo, Sp. & Pg. estrenuo.] Eagerly pressing or urgent; zealous; ardent; bold; earnest; valiant; intrepid; as, a strenuous advocate for national rights; a strenuous opposer of African slavery; a strenuous defender of his country. “And spirit-stirring wine, that strenuous makes.” Chapman.

Strenuous, continuous labor is pain. I. Taylor.