pol: usilny

Information
has URI	http://lexvo.org/id/term/pol/usilny

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