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
Denver’s All-Star point guard fouled out early in overtime after scoring only five laborious points.
—
Bennett Durando, Denver Post, 15 Mar. 2026
Tamping down those pests, as well as eliminating those that have settled in, is a costly, long and laborious task.
—Shi En Kim, AZCentral.com, 13 Mar. 2026
At the time, phone companies thought making users dial their own phones was too laborious.
—Rachyl Jones, semafor.com, 11 Mar. 2026
Other things to know before cleaning grout Cleaning tile grout is a laborious process that involves elbow grease, squatting and reaching.
—Bestreviews, Chicago Tribune, 10 Mar. 2026
See All Example Sentences for laborious
Bennett Durando, Denver Post, 15 Mar. 2026
Tamping down those pests, as well as eliminating those that have settled in, is a costly, long and laborious task.
—Shi En Kim, AZCentral.com, 13 Mar. 2026
At the time, phone companies thought making users dial their own phones was too laborious.
—Rachyl Jones, semafor.com, 11 Mar. 2026
Other things to know before cleaning grout Cleaning tile grout is a laborious process that involves elbow grease, squatting and reaching.
—Bestreviews, Chicago Tribune, 10 Mar. 2026
See All Example Sentences for laborious
Recent Examples of Synonyms for laborious
Adjective
-
There’s a lot of work that goes into this, a lot of long, diligent hours.—
Mark Zeigler,
San Diego Union-Tribune,
8 Apr. 2026
-
However, be diligent because mint spreads rapidly.—
Mary Marlowe Leverette,
Southern Living,
3 Apr. 2026
Adjective
-
Putting in the new chip was more difficult.—
Julian Lucas,
New Yorker,
20 Apr. 2026
-
The rest will be more difficult.—
Doug Haller,
New York Times,
20 Apr. 2026
Adjective
-
The Cubs are trying to survive this challenging stretch as they have been decimated by pitching injuries.—
Meghan Montemurro,
Chicago Tribune,
16 Apr. 2026
-
In kitchens around the country, chefs are translating this novelty into dishes that aren’t too challenging to get behind.—
Jaia Clingham-David,
Bon Appetit Magazine,
15 Apr. 2026
Adjective
-
The café is serviceable and busy all the time.—
Condé Nast,
Condé Nast Traveler,
11 Apr. 2026
-
Grand Central Terminal, one of the city’s busiest transit hubs, serves not only daily commuters, but also draws thousands of tourists each day.—
Matt Lavietes,
NBC news,
11 Apr. 2026
Adjective
-
There were others like it against Ohtani as well, showing the Mets are still fouling off tough pitches and trying to keep at-bats alive, and some standout defensive plays made as well.—
Abbey Mastracco,
New York Daily News,
16 Apr. 2026
-
The toughest day belonged to someone who didn't even play.—
ABC News,
ABC News,
16 Apr. 2026
Adjective
-
About 20 international teams with gather at the Swiss Army’s training area, where their robots will be pushed through extreme terrain and realistic military scenarios at one of Europe’s most demanding field trials for unmanned systems.—
Georgina Jedikovska,
Interesting Engineering,
14 Apr. 2026
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This is a high-stress, physically demanding profession, and our members are already overworked and underpaid.—
Tara Lynch,
CBS News,
14 Apr. 2026
Adjective
-
Alito has remained an active and engaged participant in the court's work, even after he was briefly hospitalized earlier this year for a health scare of undisclosed origin.—
ABC News,
ABC News,
17 Apr. 2026
-
Zander credits remaining engaged and excited.—
Marc Ballon,
Los Angeles Times,
17 Apr. 2026
Adjective
-
Binance has said that the firings of the investigators were unrelated to their findings on Iranian flows, and that the crypto exchange maintains a rigorous compliance program.—
Ben Weiss,
Fortune,
17 Apr. 2026
-
Every personal finance article is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of personal finance products.—
Jasmin Suknanan,
CNBC,
17 Apr. 2026
Cite this Entry
“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 20 Apr. 2026.
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