stren ‧ u ‧ ous /ˈstrenjuəs/ BrE AmE adjective
[ Date: 1600-1700 ; Language: Latin ; Origin: strenuus ]
1 . needing a lot of effort or strength:
a strenuous climb
The doctor advised Ken to avoid strenuous exercise.
2 . active and determined:
Sherry’s been making a strenuous effort to lose weight.
—strenuously adverb :
Barrett strenuously denied rumors that he would resign.