Found 2 items, similar to strenuousness.
English → English (WordNet) Definition: strenuousness strenuousness n : extreme effortfulness [syn: arduousness]
English → English (gcide) Definition: Strenuousness 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]