laborious

adjective

lə-ˈbȯr-ē-əs How to pronounce laborious (audio)
Definition of laboriousnext
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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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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of laborious Hader survived a laborious outing to strand the bases loaded in the ninth, Paredes tied the game with a solo home run in the eighth and Walker won it with a three-run shot in the 10th. — Chandler Rome, New York Times, 29 June 2026 That’s because, as the following pages demonstrate, true luxury isn’t about simply having the most expensive materials or the most laborious construction, but rather about having a distinct point of view. — Justin Fenner, Robb Report, 17 June 2026 Traditionally, mathematicians have had to translate their theorems and proofs into this machine-readable format by hand, a laborious process known as formalization. — Benjamin Skuse, IEEE Spectrum, 25 June 2026 Meanwhile, Hyundai Motor Company is racing to mass manufacture humanoid robots developed by its subsidiary, Boston Dynamics, so that the robotic workers can start taking over certain laborious tasks in automotive factories and other workplaces. — Jeremy Hsu, ArsTechnica, 29 June 2026 See All Example Sentences for laborious
Recent Examples of Synonyms for laborious
  1. diligent
  2. difficult
  3. challenging
  4. busy
  5. tough
  6. demanding
  7. engaged
  8. rigorous
Adjective
  • Bowen plays the diligent pro golf tour director of public relations and Happy’s kind, caring love interest Virginia Venit.
    — Skyler Trepel, PEOPLE, 5 July 2026
  • Now, Miami-Dade Fire Rescue says its diligent job is done, signaling full containment of the fires soon.
    — Devoun Cetoute, Miami Herald, 25 June 2026
Definition of diligent
Adjective
  • Sarah Buck, Chicago Driving has become harder The rapid increase in bike lanes has made driving much more difficult and tedious, with numerous delays due to many streets being reduced to one lane in busy areas.
    — Chicago Tribune, Chicago Tribune, 5 July 2026
  • Republican strategists have welcomed those nominations as an opening for attack in a difficult election year.
    — Susan Page, USA Today, 5 July 2026
Definition of difficult
Adjective
  • This enduring legacy, underscores the lawyer's role as an officer of the court, preserving the rule of law even when challenging authority.
    — Joseph Andrew, Forbes.com, 4 July 2026
  • Educate your family on our country’s history, both good and challenging.
    — Harriette Cole, Mercury News, 4 July 2026
Definition of challenging
Adjective
  • The tribe wants to build a travel center on the land along a busy highway on Long Island.
    — Karissa Waddick, USA Today, 3 July 2026
  • Because Saturday is typically the busiest day for car sales, most dealerships remain open then and close on Sundays instead.
    — Tiffani Jackson, Fort Worth Star-Telegram, 2 July 2026
Definition of busy
Adjective
  • MacDonald agrees that some of Kiros' positions could put Democratic candidates in a tough spot.
    — Shaun Boyd, CBS News, 2 July 2026
  • The 34 measures include cuts to income tax for low- and middle income families, an overhaul of the creaking pension system, tougher rules for employees' sick leave and a reduction of the country's stifling bureaucracy.
    — ABC News, ABC News, 2 July 2026
Definition of tough
Adjective
  • Building a paper airplane can be as demanding as building the airframe of a real aircraft.
    — New Atlas, New Atlas, 3 July 2026
  • Once the evaluation process is complete, the company plans to scale production to thousands of units over the next three years, targeting manufacturers seeking to automate physically demanding and hazardous work.
    — Jijo Malayil, Interesting Engineering, 3 July 2026
Definition of demanding
Adjective
  • Written by Jeff Koyen, Edited by Mallory Gafas Since the start of generative AI’s enterprise proliferation, it has been largely regarded by executives and employees alike as a productive assistant more than an engaged collaborator.
    — Forbes.com, Forbes.com, 2 July 2026
  • Millions of engaged, curious readers open our newsletters every day.
    — britannica.com, britannica.com, 1 July 2026
Definition of engaged
Adjective
  • Every cybersecurity article is based on rigorous reporting by our team of expert writers and editors.
    — Brian Sloan, CNBC, 3 July 2026
  • This improves both customer and agent experience, while still meeting rigorous business standards around accuracy, reliability, and risk management.
    — Forbes.com, Forbes.com, 2 July 2026
Definition of rigorous

Browse Nearby Words

laboring
laborious
laboriously
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Cite this Entry

“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 7 Jul. 2026.

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Nglish: Translation of laborious for Spanish Speakers

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