Synonyms for arduous
27 synonyms for “arduous”, grouped by meaning. Dark green words mean nearly the same thing; light green ones are close in some uses.
Arduous as in “laborious”
adjective: characterized by effort to the point of exhaustion; especially physical effort
- laborious
- hard
- punishing
- backbreaking
- toilsome
- grueling
- burdensome
- exhausting
- uphill
- onerous
- heavy
- wearisome
- rigorous
- exacting
- effortful
- operose
- gruelling
Arduous as in “difficult”
adjective: difficult to accomplish; demanding considerable mental effort and skill
- difficult
- tough
- demanding
- rough
- painful
- tricky
- delicate
- troublesome
Arduous as in “strenuous”
adjective: taxing to the utmost; testing powers of endurance
- strenuous
- straining
Can you name more synonyms for arduous?
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