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Grueling (adjective)
alternative spelling of gruelling
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Grueling (noun)
alternative spelling of gruelling
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Gruelling (adjective)
So difficult or taxing as to make one exhausted; backbreaking.
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Gruelling (noun)
A race in which the animal being raced finishes in a state of physical exhaustion.
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Gruelling (noun)
A gruelling ordeal.
Wiktionary
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