1
as in diligent
involved in often constant activity
the volunteers have been commendably laborious in their cleanup of the beach
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Antonyms & Near Antonyms
2
as in difficult
requiring considerable physical or mental effort
the laborious task of cleaning up the oil spill
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Antonyms & Near Antonyms
3
as in challenging
requiring much time, effort, or careful attention
that report is the product of months of laborious research
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Example Sentences
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Recent Examples of laborious
The problem facing this field, however, is that deep sea exploration is expensive and laborious.
—
Margherita Bassi, Smithsonian Magazine, 12 May 2025
But in the internet era, this laborious process threatens to become untenable.
—Michael Waters, The Atlantic, 4 June 2025
With attacks accelerating in pace and intensity, organizations cannot afford slow, laborious reporting structures.
—Travis Runty, Forbes.com, 2 June 2025
The process is prone to errors and laborious, and the finished serum can result in serious side effects.
—Katie Hunt, CNN Money, 2 May 2025
See All Example Sentences for laborious
Margherita Bassi, Smithsonian Magazine, 12 May 2025
But in the internet era, this laborious process threatens to become untenable.
—Michael Waters, The Atlantic, 4 June 2025
With attacks accelerating in pace and intensity, organizations cannot afford slow, laborious reporting structures.
—Travis Runty, Forbes.com, 2 June 2025
The process is prone to errors and laborious, and the finished serum can result in serious side effects.
—Katie Hunt, CNN Money, 2 May 2025
See All Example Sentences for laborious
Recent Examples of Synonyms for laborious
Adjective
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Clark said locally, at San Dimas’ Via Verde Country Club and Pomona’s Mountain Meadows Golf Course, Spaun is remembered as a diligent kid who put in a lot of time working on his game.—
Mirjam Swanson,
Oc Register,
16 June 2025
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The only way to avoid False Dividend Stocks is with diligent fundamental research on cash flows.—
David Trainer,
Forbes.com,
12 June 2025
Adjective
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This moderately difficult, half-mile trail through the Mission Hills Open Space, is located across from Pioneer Park.—
Maura Fox,
San Diego Union-Tribune,
23 June 2025
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Attorney Nicole Blank Becker, who represents R. Kelly, told Fox News Digital that jurors, just like anyone else, have a difficult time separating emotions from charges.—
Tracy Wright , Lauryn Overhultz,
FOXNews.com,
23 June 2025
Adjective
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As such, piloting an FPV drone is a completely different, entirely more challenging kettle of fish than piloting a standard camera drone.—
Sam Kieldsen,
Wired News,
27 June 2025
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All of these factors combine to make AI adoption incredibly challenging, expensive and time-consuming.—
Dave Friend,
Forbes.com,
27 June 2025
Adjective
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For him, a slow summer simply means lazy days and not being busy, just enjoying the summer.—
Hannah Nwoko,
Parents,
16 June 2025
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Volunteer security personnel helped gather people back to the sidewalks and helped pedestrians cross busy intersections.—
Kendrick Calfee,
Kansas City Star,
15 June 2025
Adjective
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Adopt a zero-trust security model that emphasizes rigorous access rules and constant authentication.—
Rob Lydic,
Forbes.com,
17 June 2025
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The next afternoon, Gomes sat in and watched Ohtani throw a rigorous bullpen session to simulate multiple innings.—
Fabian Ardaya,
New York Times,
17 June 2025
Adjective
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Further stymying manufacturing’s renaissance is that plant work isn’t just dirty and physically demanding – albeit less than in prior generations – but also relatively low-paying with limited career prospects.—
Ryan Craig,
Forbes.com,
27 June 2025
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But the plaintiffs in the case and the Biden administration said the appeals court was wrong to apply that standard and should have instead analyzed it under the most demanding level, strict scrutiny, because the law impedes adults' access to speech protected by the Constitution.—
June 27,
CBS News,
27 June 2025
Adjective
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His envoy Steve Witkoff remains engaged on the issue.—
Niall Stanage,
The Hill,
21 June 2025
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Be consistent, stay engaged and let your passion and results speak for themselves.—
Rolling Stone Culture Council,
Rolling Stone,
20 June 2025
Adjective
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Even these young players already have major tournament experience — a huge strength given their tough group.—
Megan Feringa,
New York Times,
28 June 2025
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However, generally speaking, insoluble fiber is commonly found in whole grains, bran, legumes, nuts, seeds, produce skins, and tough vegetables and fruits.—
Mara Santilli,
SELF,
27 June 2025
Cite this Entry
“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 1 Jul. 2025.
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