strenuous Meaning, Definition & Usage

  1. adjective satellite characterized by or performed with much energy or force
    • strenuous exercise
  2. adjective satellite taxing to the utmost; testing powers of endurance
    straining; arduous.
    • his final, straining burst of speed
    • a strenuous task
    • your willingness after these six arduous days to remain here"- F.D.Roosevelt

WordNet

Stren"u*ous adjective
Etymology
L. strenuus; cf. Gr. strong, hard, rough, harsh.
Definitions
  1. 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.
    And spirit-stirring wine, that strenuous makes. Chapman.
    Strenuous, continuous labor is pain. I. Taylor.
    -- Stren"u*ous*ly, adv. -- Stren"u*ous*ness, n.

Webster 1913