1
as in difficult
requiring considerable physical or mental effort
climbing Mount Everest is an arduous, exhausting challenge
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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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Recent Examples of arduous
The core process of making cheese is not particularly arduous.
—
Dominick Williams, Kansas City Star, 6 May 2025
But playing the game, each day is an arduous journey in their own right; conversely the show speeds through day one in a single episode.
—Christopher Cruz, Rolling Stone, 5 May 2025
Spending time with Steve Carell, Tina Fey, Will Forte, and especially Colman Domingo will never be arduous or unfunny.
—Ben Travers, IndieWire, 1 May 2025
Legal scholars warn that revoking birthright citizenship would likely require a constitutional amendment, an arduous process involving approval by two-thirds of Congress and ratification by three-fourths of the states.
—Tahar Rajab, MSNBC Newsweek, 15 May 2025
See All Example Sentences for arduous
Dominick Williams, Kansas City Star, 6 May 2025
But playing the game, each day is an arduous journey in their own right; conversely the show speeds through day one in a single episode.
—Christopher Cruz, Rolling Stone, 5 May 2025
Spending time with Steve Carell, Tina Fey, Will Forte, and especially Colman Domingo will never be arduous or unfunny.
—Ben Travers, IndieWire, 1 May 2025
Legal scholars warn that revoking birthright citizenship would likely require a constitutional amendment, an arduous process involving approval by two-thirds of Congress and ratification by three-fourths of the states.
—Tahar Rajab, MSNBC Newsweek, 15 May 2025
See All Example Sentences for arduous
Recent Examples of Synonyms for arduous
Adjective
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But the fact that Schwartzman, in his first film, was given the difficult task of stealing laughs away from a comedy legend, and so often succeeds in doing so, gives him the slight edge.—
Shannon Carlin,
Time,
30 May 2025
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Shaving requires removing the end cap of a bat, which can be difficult to do, and shaving down or thinning out the inner wall of the barrel.—
Ralph D. Russo,
New York Times,
30 May 2025
Adjective
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However, this challenging situation also presents an opportunity for businesses.—
Kendra Davenport,
Forbes.com,
22 May 2025
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The new bill, advocates said, is also expected to be particularly challenging for Native Americans who rely on tribal cards for identification ‒ which typically don't include place of birth, as the new law requires.—
Deborah Barfield Berry,
USA Today,
22 May 2025
Adjective
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Listen to this article After a tough loss to start the Big East Tournament, the UConn baseball team bounced back on a short turnaround to defeat and eliminate St. John’s, 13-3, in a losers’ bracket game Thursday in Mason, Ohio.—
Dom Amore,
Hartford Courant,
22 May 2025
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That’s really tough to stop from turning into scoring opportunities for the opponent.—
Zach Harper,
New York Times,
22 May 2025
Adjective
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Additionally, ensuring data accuracy and integrity within compliance features, especially for reporting and audit trails, can be technically demanding and prone to errors if not carefully managed.—
Suresh Kannan,
Forbes.com,
22 May 2025
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Any number of left-leaning columnists at prestigious media outlets tried to bat down the rumors that Biden’s visible aging (as manifested both physically and mentally) was compromising his credibility as a viable candidate for perhaps the most demanding job in the world.—
The Editorial Board,
Chicago Tribune,
20 May 2025
Adjective
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The Bee has a rigorous policy relating to requests for anonymity.—
Jennah Pendleton,
Sacbee.com,
23 May 2025
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Hall, a former college football player, is quite the athlete and also gives fans a look into his rigorous workout regimen, which Khaled joined him for.—
Michael Saponara,
Billboard,
23 May 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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Each pits a young heroine of humble means against the formidable, possibly sinister lady of the estate; this time, that quintessential Nicole Kidman role is played by a serenely terrifying Julianne Moore.—
Judy Berman,
Time,
22 May 2025
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Selling a descent from stress into a state of devastation that can never be shed (only briefly reprised) is the formidable actress Parinaz Izadyar.—
Sophie Monks Kaufman,
IndieWire,
22 May 2025
Cite this Entry
“Arduous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/arduous. Accessed 3 Jun. 2025.
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