1
as in difficult
requiring considerable physical or mental effort
climbing Mount Everest is an arduous, exhausting challenge
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in challenging
requiring much time, effort, or careful attention
the arduous task of doing the research for my term paper
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Antonyms & Near Antonyms
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Recent Examples of arduous
McGregor’s recovery was lengthy and arduous.
—
Los Angeles Times Staff,
Los Angeles Times,
24 June 2026
After an arduous search, the airy, Los Angeles location near her family instantly became her spiritual home.
—
Bryan Alexander,
USA Today,
24 June 2026
Someone was mad Researchers had an arduous task before them, as time damaged the inscription.
—
Maria Mocerino,
Interesting Engineering,
20 June 2026
And for that, the FDA’s arduous approval process deserves blame.
—
Sally C. Pipes,
Sun Sentinel,
18 June 2026
See All Example Sentences for arduous
Los Angeles Times Staff,
Los Angeles Times,
24 June 2026
After an arduous search, the airy, Los Angeles location near her family instantly became her spiritual home.
—
Bryan Alexander,
USA Today,
24 June 2026
Someone was mad Researchers had an arduous task before them, as time damaged the inscription.
—
Maria Mocerino,
Interesting Engineering,
20 June 2026
And for that, the FDA’s arduous approval process deserves blame.
—
Sally C. Pipes,
Sun Sentinel,
18 June 2026
See All Example Sentences for arduous
Recent Examples of Synonyms for arduous
Adjective
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Sarah Buck, Chicago Driving has become harder The rapid increase in bike lanes has made driving much more difficult and tedious, with numerous delays due to many streets being reduced to one lane in busy areas.
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Republican strategists have welcomed those nominations as an opening for attack in a difficult election year.
Adjective
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This enduring legacy, underscores the lawyer's role as an officer of the court, preserving the rule of law even when challenging authority.
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Educate your family on our country’s history, both good and challenging.
Adjective
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MacDonald agrees that some of Kiros' positions could put Democratic candidates in a tough spot.
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The 34 measures include cuts to income tax for low- and middle income families, an overhaul of the creaking pension system, tougher rules for employees' sick leave and a reduction of the country's stifling bureaucracy.
Adjective
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Building a paper airplane can be as demanding as building the airframe of a real aircraft.
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Once the evaluation process is complete, the company plans to scale production to thousands of units over the next three years, targeting manufacturers seeking to automate physically demanding and hazardous work.
Adjective
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Every cybersecurity article is based on rigorous reporting by our team of expert writers and editors.
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This improves both customer and agent experience, while still meeting rigorous business standards around accuracy, reliability, and risk management.
Adjective
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In the days leading up to his show, Chavarria and his team were hard at work in his make-shift studio in the 6th arrondissement.
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Closing a chapter, not the relationships For Sevy, the hardest part is closing this chapter with the people who made the place feel like home.
Cite this Entry
“Arduous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/arduous. Accessed 5 Jul. 2026.
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