| a. | 1. | Eagerly pressing or urgent; zealous; ardent; earnest; bold; valiant; intrepid; |
| Adj. | 1. | strenuous - characterized by or performed with much energy or force; "strenuous exercise" |
| 2. | strenuous - 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 |