from
The Collaborative International Dictionary of English v.0.48
Strenuous \Stren"u*ous\, a. [L. strenuus; cf. Gr. ? strong,
hard, rough, harsh.]
Eagerly pressing or urgent; zealous; ardent; earnest; bold;
valiant; intrepid; as, a strenuous advocate for national
rights; a strenuous reformer; a strenuous defender of his
country.
[1913 Webster]
And spirit-stirring wine, that strenuous makes.
--Chapman.
[1913 Webster]
Strenuous, continuous labor is pain. --I. Taylor.
[1913 Webster] -- {Stren"u*ous*ly}, adv. --
{Stren"u*ous*ness}, n.
[1913 Webster]