strenuous
adjective/ˈstrenjuəs/
/ˈstrenjuəs/
- needing 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.
- Avoid tasks which require strenuous physical activity.
- determined and showing great energy
- The ship went down although strenuous efforts were made to save it.
- The plan has met with strenuous opposition.
Word Originearly 17th cent.: from Latin strenuus ‘brisk’ + -ous.
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strenuous