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
Gordon, 24, was brilliant for Newcastle in 2023-24, but last season was laborious from the start, with the England player unsettled by summer interest from Liverpool, then suspended for the cup final, before struggling to displace Barnes.
—
Chris Waugh, New York Times, 6 June 2025
The Senate has spent some 18 hours churning through more than two dozen amendments in what is called a vote-a-rama, a typically laborious process that went on longer than usual as negotiations happen on and off the chamber floor.
—Jim Edwards, Fortune, 1 July 2025
For starters, producing matcha is a slow, laborious process.
—HubSpot, 20 June 2025
Finding the right shade required a laborious color-testing process for both the designer and the actress.
—James Mercadante, EW.com, 17 June 2025
See All Example Sentences for laborious
Chris Waugh, New York Times, 6 June 2025
The Senate has spent some 18 hours churning through more than two dozen amendments in what is called a vote-a-rama, a typically laborious process that went on longer than usual as negotiations happen on and off the chamber floor.
—Jim Edwards, Fortune, 1 July 2025
For starters, producing matcha is a slow, laborious process.
—HubSpot, 20 June 2025
Finding the right shade required a laborious color-testing process for both the designer and the actress.
—James Mercadante, EW.com, 17 June 2025
See All Example Sentences for laborious
Recent Examples of Synonyms for laborious
Adjective
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That takes diligent work – sifting through records, tracking down the people with the key information, sometimes fighting to get that information made public.—
Jeff Suess,
The Enquirer,
2 July 2025
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That scouts regard Bogaerts as one of MLB’s most diligent workers is actually concerning.—
Tom Krasovic,
San Diego Union-Tribune,
18 June 2025
Adjective
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The fire is in difficult country with access issues and firefighters are evaluating options for the right flank and head of the fire.—
CA WILDFIRE BOT,
Sacbee.com,
5 July 2025
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Our models and expertise can sniff out the broad parameters, but the precise location and timing of moisture plumes, training (quasi-stationary rain cells), and forcing mechanism can be difficult.—
Marshall Shepherd,
Forbes.com,
5 July 2025
Adjective
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Figuring out what that number is can be quite challenging as the issue is twofold: the company's cash needs and your own personal reserves, which are separate.—
Kristin McKenna,
Forbes.com,
9 July 2025
-
Gap Easy Trousers Finding summer work pants that are both breathable and stylish can be challenging, but these petite Easy Trousers from Gap fit the bill perfectly.—
Melony Forcier,
Travel + Leisure,
9 July 2025
Adjective
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Shop Now For busy spots (like back doors and side passages), a hardwired camera can save you a lot of charging.—
Simon Hill,
Wired News,
10 July 2025
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Why Family Fitness Works: Fun, Consistency, and Motivation Getting the whole family active can feel like a challenge, especially with the busy nature of life.—
William Jones,
USA Today,
10 July 2025
Adjective
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The loss of trustworthiness in the rigorous and nonpartisan work of the Task Force would devastate patients, hospital systems, and payers as misinformation creates barriers to accessing lifesaving and cost effective care.—
ArsTechnica,
ArsTechnica,
11 July 2025
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Before a potential controller can even step foot in the academy, there’s a rigorous application and qualification process.—
Alexandra Skores,
CNN Money,
11 July 2025
Adjective
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Once upon a time, the leadership style of a college coach was simple: intense, demanding, rigid, focused on detail and motivating with more stick than carrot.—
Rustin Dodd,
New York Times,
8 July 2025
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These jobs are highly demanding, but they are considered part-time under the city charter.—
Sun Sentinel Editorial Board,
Sun Sentinel,
8 July 2025
Adjective
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Unlike other collabs or license deals where a celebrity or brand just adds their logo to a product, J Balvin has been very engaged at every step of the process.—
Roxanne Robinson,
Forbes.com,
15 July 2025
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After Goldman placed a veil on Hilliker, the engaged couple entered a room full of their friends cheering them on.—
Rachel Raposas,
People.com,
14 July 2025
Adjective
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Morton, 43, may take that advice under serious consideration, mentioning how tough the fans – and even fellow cast members – have been on her following this past season’s cast trip to Grenada.—
John Lawson,
Essence,
9 July 2025
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But after rookie third baseman Ronny Mauricio made an exceptionally tough double play to end a two-on, one-out threat in the bottom of the eighth, there was no way the Mets were losing.—
Abbey Mastracco,
New York Daily News,
9 July 2025
Cite this Entry
“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 19 Jul. 2025.
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