Thesaurus

arduous

adjective

Synonyms & Antonyms of arduous

2 requiring much time, effort, or careful attention
  • the arduous task of doing the research for my term paper

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hard, difficult, arduous mean demanding great exertion or effort. hard implies the opposite of all that is easy. farming is hard work difficult implies the presence of obstacles to be surmounted or puzzles to be resolved and suggests the need of skill or courage. the difficult ascent of the mountain arduous stresses the need of laborious and persevering exertion. the arduous task of rebuilding

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The first known use of arduous was in 1549

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“Arduous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/arduous. Accessed 19 Feb. 2020.

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