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
Synonyms & Similar Words
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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of laborious
The influence of virtual photons (particles of light that are also carriers of the electromagnetic force) on muons is relatively straightforward (albeit still laborious) to calculate, for instance.
—
Eleni Petrakou, Scientific American, 8 June 2025
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
See All Example Sentences for laborious
Eleni Petrakou, Scientific American, 8 June 2025
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
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
-
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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James is playing the final year of his contract at $52.6 million, which is a very difficult number for teams to pay.—
Evan Massey,
MSNBC Newsweek,
5 July 2025
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Any pass to Warren Zaire-Emery in midfield is difficult too, due to Kim pushing out of defence.—
Anantaajith Raghuraman,
New York Times,
5 July 2025
Adjective
-
All of these factors combine to make AI adoption incredibly challenging, expensive and time-consuming.—
Dave Friend,
Forbes.com,
27 June 2025
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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
Adjective
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He's got a busy schedule ahead, starring in season 2 of Peacock's Twisted Metal and Alex Winter's upcoming Adulthood.—
EW.com,
EW.com,
28 June 2025
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Despite the setback in Denver, the couple has been busy in the meantime.—
Max Scheinblum,
Denver Post,
28 June 2025
Adjective
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Experimental adoption is fine, as long as it's paired with rigorous due diligence and clearly defined outcomes.—
Stephanie Domas,
Forbes.com,
27 June 2025
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Hunting was off limits, as was trapping or poisoning, and the listing included rigorous habitat protections.—
Christine Peterson,
Vox,
27 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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But the rewards – a more engaged, connected, and high-performing workforce – are well worth the investment.—
Heather V. MacArthur,
Forbes.com,
2 July 2025
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Instead, Bailey encourages today’s leaders to embrace discomfort, stay engaged, and study those who came before.—
William Jones,
USA Today,
26 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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Stark disparities in job opportunities available overall compared to the 25 major contractors may indicate these companies are starting to make tough decisions following DOGE cuts, according to Cory Stahle, the report’s author and economist at the Hiring Lab.—
Sasha Rogelberg,
Fortune,
27 June 2025
Cite this Entry
“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 8 Jul. 2025.
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