He lifted the boulder, but not without heavy exertion.
you can not win without exertion . Your highest exertion is required.
you need strenuous exercise to gain weight. strenuous exercise can kill you.
Bart injured his ankle while doing strenuous exercise.
Strenuous is an adjective. Strenuous means requiring or using great exertion.
The workout was quite strenuous.
Strenuous describes hard and extended physical exertion or exercise.
The strenuous exercise made my muscles ache.
Too much strenuous exercise can result in jury.
give me the answer
Difficult, tedious, strenuous.
Endeavour
No, it's an adjective (word describing a noun)
Give me a sentence on word brood
daylight
Hat.