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Gruelling has 10 synonyms. The top synonyms for gruelling are hard, heavy, arduous, grueling, toilsome, effortful, laborious, punishing and 2 more. Browse the full list below.
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| Random | DefinitionA common synonym for gruelling is hard. Other synonyms include heavy, arduous, grueling, toilsome.
Gruelling has 10 synonyms listed on Thesaurasize.
(adj): so difficult or taxing as to make one exhausted; backbreaking
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