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