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Labourious has 10 synonyms. The top synonyms for labourious are hard, heavy, arduous, grueling, toilsome, effortful, gruelling, laborious and 2 more. Browse the full list below.
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| Random | DefinitionA common synonym for labourious is hard. Other synonyms include heavy, arduous, grueling, toilsome.
Labourious has 10 synonyms listed on Thesaurasize.
°alternative spelling of laborious.
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