Words similar to strenuous

Example sentences for: strenuous

How can you use “strenuous” in a sentence? Here are some example sentences to help you improve your vocabulary:

This is one of the starting points for strenuous treks to Pico Ruivo (the island’s highest peak, at 1,862 m/6,109 ft).
Nothing wrong with that--but Roy is strenuous in her denials.
All of which seems narracoupa `very good' considering the strenuous efforts made during the Black War of 1831 to disperse the Tasmanian Aborigines.
None of them was involved in any type of regular exercise program involving strenuous activity.
Subjects were asked to refrain from any activity more strenuous than walking for 3 days before the muscle biopsy.