- 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.
Meaning of 'strenuous' (Princeton's WordNet)
1 . strenuous
[ s]
Meaning (1): - taxing to the utmost; testing powers of endurance
Example in sentence:
a strenuous task;
his final, straining burst of speed;
your willingness after these six arduous days to remain here
Meaning (2): - characterized by or performed with much energy or force