Synonyms of arduous
10 similar words
Another word for arduous is burdensome. Other synonyms of arduous are exhausting and onerous.
Synonyms and similar words for arduous
adjectiveMore synonyms
- burdensomeCharacteristic of a burden; arduous or demanding.
- demanding
- exhaustingVery tiring.
- fatiguing
- laborious
- onerousImposing or constituting a physical, mental, or figurative load which can be borne only with effort; burdensome.
- strenuous
- strugglesomeCharacterised or marked by struggling.
- uphill
- wearisomeTiresome, tedious or causing fatigue.
Meaning of arduous
- adjective Needing or using up much energy; testing powers of endurance.
- adjective Burning; ardent.
- adjective Difficult or exhausting to traverse.
arduous in other languages
Questions about synonyms of arduous
- What is another word for arduous?
- Arduous has 10 synonyms on Word.ws, such as burdensome, exhausting and onerous.
- What does arduous mean?
- Arduous means needing or using up much energy; testing powers of endurance.
Source and license
Adapted from Wiktionary: arduous (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of arduous.” Word.ws, https://word.ws/synonyms/arduous. Based on Wiktionary, CC BY-SA 4.0.