- 1needing great effort and energy synonym arduous a strenuous climb Avoid strenuous exercise immediately after a meal. How about a stroll in the park?Nothing too strenuous.
- 2showing great energy and determination The ship went down although strenuous efforts were made to save it. The plan has met with strenuous opposition.
strenuouslyjump to other results
adverb He still works out strenuously every morning. The government strenuously denies the allegations.