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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2
as in difficult
requiring considerable physical or mental effort
the laborious task of cleaning up the oil spill
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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
There is more to follow, all of which pertains to the film’s title and is rather laborious to discuss in a review without spoilers.
—
Damon Wise, Deadline, 6 Sep. 2025
Robots can master human actions within minutes, skipping the laborious task of engineers having to program them to perform those tasks.
—Atharva Gosavi, Interesting Engineering, 1 Sep. 2025
Technological advancements have long reshaped the job market by taking on more laborious and dangerous tasks.
—Ilya Likhov, Forbes.com, 28 Aug. 2025
Hofstadter’s colleagues couldn’t understand the point of his laborious approach.
—Lyndie Chiou, Quanta Magazine, 25 Aug. 2025
See All Example Sentences for laborious
Damon Wise, Deadline, 6 Sep. 2025
Robots can master human actions within minutes, skipping the laborious task of engineers having to program them to perform those tasks.
—Atharva Gosavi, Interesting Engineering, 1 Sep. 2025
Technological advancements have long reshaped the job market by taking on more laborious and dangerous tasks.
—Ilya Likhov, Forbes.com, 28 Aug. 2025
Hofstadter’s colleagues couldn’t understand the point of his laborious approach.
—Lyndie Chiou, Quanta Magazine, 25 Aug. 2025
See All Example Sentences for laborious
Recent Examples of Synonyms for laborious
Adjective
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When shopping for supplements, be diligent about choosing products that contain quality ingredients and are made by reputable companies.—
Sam Manzella,
Flow Space,
10 Sep. 2025
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Identifying stocks that combine strong fundamentals with cheap valuations should remain a priority for diligent investors.—
David Trainer,
Forbes.com,
10 Sep. 2025
Adjective
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Ncell, Nepal’s second-largest telecommunications service provider, noted that shutting down all platforms at once was, in any case, technically difficult and warned that the move would severely impact business.—
Nir Kshetri,
The Conversation,
14 Sep. 2025
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Last summer, after years of hip problems and some difficult surgeries to address them, Jill had an operation that went poorly.—
Bianca Bosker,
The Atlantic,
14 Sep. 2025
Adjective
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Partnered with Val Chmerkovskiy, Earle tackled a challenging routine that impressed the judges.—
Amanda Castro,
MSNBC Newsweek,
17 Sep. 2025
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Real-world tests The scientists tested THOR AI on several challenging copper, argon, and tin cases.—
Atharva Gosavi,
Interesting Engineering,
16 Sep. 2025
Adjective
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It's been a busy week for the European technology sector.—
Ryan Browne,
CNBC,
12 Sep. 2025
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The seven people killed by the explosions are believed to have been working for Devastating Pyrotechnics in the busy days ahead of a string of shows scheduled on and around the Fourth of July.—
Jake Goodrick,
Sacbee.com,
12 Sep. 2025
Adjective
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For the next six years, Kira endured a rigorous drug treatment regime and was frequently in and out of hospitals.—
Ruchi Kumar,
NPR,
14 Sep. 2025
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During a break in the rigorous shooting schedule for the limited series, which also stars Emma Corrin and Jack Lowden, Partridge was able to squeeze in the trip with old college friends.—
Alex Ritman,
Variety,
12 Sep. 2025
Adjective
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On the other extreme is the argument that the dynamic is a matter of other factors, such as the types of work women choose; maternity disruptions to careers; less willingness on the whole to work long hours or more physically demanding positions; and poorer negotiation skills.—
Erik Sherman,
Forbes.com,
17 Sep. 2025
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The study frames smoke-drying as a deliberate and technically demanding mortuary innovation among tropical hunter-gatherers.—
Kaif Shaikh,
Interesting Engineering,
16 Sep. 2025
Adjective
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Entrepreneurs who report higher well-being are more engaged in their businesses, thereby fueling their incentive to grow their ventures.—
Samantha Dewalt,
Fortune,
12 Sep. 2025
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The majority of commenters agreed that the engaged couple were not in the wrong and that the in-laws were overreacting and being too sensitive.—
Erin Clack,
PEOPLE,
11 Sep. 2025
Adjective
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The backcourt duo of Courtney Williams and Natisha Hiedeman, also known as the StudBudz, are shifty, tough shot-making guards who can get hot in a hurry.—
Nathan Canilao,
Mercury News,
13 Sep. 2025
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And that’s tough on those guys.—
Bill Plunkett,
Oc Register,
13 Sep. 2025
Cite this Entry
“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 18 Sep. 2025.
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