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Arduous has 64 synonyms. The top synonyms for arduous are jawbreaking, operose, painful, toilsome, punishing, strained, critical, troublesome and 56 more. Another word for arduous is jawbreaking. Browse the full list below.
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| Random | DefinitionA common synonym for arduous is jawbreaking. Other synonyms include operose, painful, toilsome, punishing.
Arduous has 64 synonyms listed on Thesaurasize.
(adj): needing or using up much energy; Hard to climb Example: "the movement towards a peaceful settlement has been a long and arduous political struggle."
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