strenuousness

== English == === Etymology === From strenuous + -ness. === Noun === strenuousness (usually uncountable, plural strenuousnesses) The state or character of being strenuous; active zeal. Synonyms: eagerness, earnestness, strenuosity === Further reading === William Dwight Whitney, Benjamin Eli Smith, editors (1895–1910), “strenuousness”, in The Century Dictionary and Cyclopedia: […], New York, N.Y.: The Century Co., →OCLC. “strenuousness”, in OneLook Dictionary Search.