1
as in difficult
requiring considerable physical or mental effort
climbing Mount Everest is an arduous, exhausting challenge
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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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Example Sentences
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Recent Examples of arduous
Converging For The Future While this may seem like an arduous process, convergence ultimately creates value.
—
Mike Lefebvre, Forbes.com, 20 May 2025
The study from Sudoku Bliss — which says one of the best ways to fill the long, arduous hours waiting in line is to play sudoku — found that Charlotte has the worst DMVs in the nation.
—Evan Moore, Charlotte Observer, 15 May 2025
After a long, arduous rehab, Daniels was ready to resume at second base for UConn this season.
—Dom Amore, Hartford Courant, 11 May 2025
Transsexuals are people who have gone through a long, arduous process of: counseling, hormone therapy, and operations.
—Dp Opinion, Denver Post, 28 May 2025
See All Example Sentences for arduous
Mike Lefebvre, Forbes.com, 20 May 2025
The study from Sudoku Bliss — which says one of the best ways to fill the long, arduous hours waiting in line is to play sudoku — found that Charlotte has the worst DMVs in the nation.
—Evan Moore, Charlotte Observer, 15 May 2025
After a long, arduous rehab, Daniels was ready to resume at second base for UConn this season.
—Dom Amore, Hartford Courant, 11 May 2025
Transsexuals are people who have gone through a long, arduous process of: counseling, hormone therapy, and operations.
—Dp Opinion, Denver Post, 28 May 2025
See All Example Sentences for arduous
Recent Examples of Synonyms for arduous
Adjective
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No matter how sweet, the little crocodile grows bigger and more difficult to care for.—
Leo Barraclough,
Variety,
10 June 2025
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Despite her risky gambit, Metcalfe, who is studying to be an attorney at the University of Law in Manchester, England, admits that her sport has helped her through some of the most difficult times of her life.—
Andy Frye,
Forbes.com,
10 June 2025
Adjective
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Building wealth can be a challenging task, especially in challenging economic times.—
Anne-Lyse Ngatta,
Forbes.com,
3 June 2025
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The rise of one of this season’s greatest scene-stealers makes for a challenging conundrum — how far does the apple fall from the tree?—
Daniel D'Addario,
Variety,
3 June 2025
Adjective
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For the body-conscious dad Finding time to exercise, as well as to recover from a workout, during a busy travel schedule can be tough.—
Ramsey Qubein,
Forbes.com,
3 June 2025
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There are powerful levers to pull if Trump chooses, like increasing US military aid or imposing tough new sanctions, such as those overwhelmingly supported in the US Senate.—
Matthew Chance,
CNN Money,
3 June 2025
Adjective
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The nausea is now mostly in the past, Lauren says, and the Lanes are realizing that getting ready for a third child isn’t as demanding as earlier preparations.—
Nancy Kruh,
People.com,
30 May 2025
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Work and home will be equally demanding, as Venus meets with Jupiter on June 4.—
Liz Simmons,
StyleCaster,
27 May 2025
Adjective
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These days, most people delivering your forecasts are scientists with rigorous training in calculus, fluid dynamics, thermodynamics, atmospheric physics and the other meteorological coursework.—
Marshall Shepherd,
Forbes.com,
5 June 2025
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The Council for Higher Education Accreditation ensures accrediting agencies uphold rigorous standards.—
Hanna Park,
CNN Money,
5 June 2025
Adjective
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Sandoval has received some pay bumps, including a temporary $10,000-a-year bonus for Hawaii special education teachers designed to alleviate shortages in that and other hard-to-staff areas.—
Alia Wong,
USA TODAY,
14 Feb. 2023
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Whether those numbers are an overstatement, or possibly an understatement, is hard to say.—
Lance Eliot,
Forbes,
13 Feb. 2023
Adjective
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Everything points to the fact that Karolína’s exceptional talent has caught the attention of the formidable and much admired choirmaster.—
Leo Barraclough,
Variety,
3 June 2025
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Sinha’s strategic interventions have substantially scaled up businesses, powering a formidable sales pipeline by assisting the company in landing enterprise-level engagements.—
Daniel Fusch,
USA Today,
3 June 2025
Cite this Entry
“Arduous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/arduous. Accessed 17 Jun. 2025.
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