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strenuous
01
requiring great physical effort or energy
Example
The strenuous hike drained their physical energy.
His strenuous workout pushed his physical limits.
02
requiring intense mental effort or focus
Example
Solving the puzzle was a strenuous mental task.
The project demanded strenuous concentration.
word family
strenu
Noun
strenuous
Adjective
strenuously
Adverb
strenuously
Adverb
strenuousness
Noun
strenuousness
Noun
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