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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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
Generating clean looks in the half-court offense was laborious.
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Bennett Durando, Denver Post, 21 Dec. 2025
The civil trial between Justin Baldoni and Blake Lively has been postponed for two months, belaboring an already laborious process.
—Alejandra Gularte, Vulture, 9 Dec. 2025
These complications ultimately make budgeting and planning needlessly laborious.
—Malana Vantyler, USA Today, 8 Dec. 2025
Hiking For teens who are true daredevils, Transfers Sea and Land Tours offers more laborious hikes that provide incredible views and a chance to see wildlife in its natural habitat.
—Annabelle Canela, Parents, 7 Dec. 2025
See All Example Sentences for laborious
Recent Examples of Synonyms for laborious
Adjective
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But such diligent injury prevention doesn’t address the root cause of Rec League Dysmorphia.—
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Iran thus has every right to demand that the IAEA be diligent in observing its own procedures and codes of conduct on impartiality, objectivity, confidentiality, and sensitivity to national security concerns in exchange for continued cooperation.—
Adjective
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Jens generally chooses his words carefully, and is, what’s more, particularly reticent just after finishing a long and difficult winter delivery trip; what’s a person supposed to do with words in a blizzard anyway, up on a stormy heath and all directions lost?—
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In his first start in the wake of Beau Pribula’s significant injury, Zollers walked into a difficult situation, and his stat line reflected it.—
Adjective
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But last month, Critchfield backed off in the face of a challenging state budget.—
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Depending on where in the country your family lives, winter can be a challenging time for kids who are cooped up inside amid the chillier weather.—
Adjective
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Visiting the restaurant has become an expression of the purest form of Panthers fandom — and that’s helped make this week quite busy ahead of the Panthers’ first home playoff game in 10 years.—
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Those who remain are concentrated in Venezuela’s cities, including its capital, Caracas, where the street market in the Catia neighborhood once was so busy that shoppers bumped into one another and dodged oncoming traffic.—
Adjective
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This leads to families having to make tough decisions, said Cindy Kincaid, family caregiver program manager at Centralina Regional Council.—
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She's been amazing, a sort of brutal support, tough lover, very educational.—
Adjective
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Philadelphia first tried the 24-year-old at center but eventually moved him to the wing, presumably because of his struggles in the faceoff circle (just 39 percent of draws won) and because the wing is a less demanding defensive position.—
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Both must meet demanding performance standards, operate on efficient edge-compute systems, deliver provable safety, and scale in a commercially viable way.—
Adjective
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Those late audits have caused ongoing comments by engaged residents who are perplexed that year after year the town’s government is not able to provide the same audit the state’s other 168 municipalities complete and submit to the public and the state’s budget office.—
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Guiliani said her students have been more engaged and focused.—
Adjective
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Every credit card review is based on rigorous reporting by our team of expert writers and editors.—
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The Encinitas Green Business Network provides a rigorous framework for local organizations to reduce their environmental footprint through actionable, practical, and high-impact improvements.—
Cite this Entry
“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 12 Jan. 2026.
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