laborious

adjective
la·​bo·​ri·​ous | \ lə-ˈbȯr-ē-əs How to pronounce laborious (audio) \

Definition of laborious

1 : devoted to labor : industrious as men of research … they are magnificently laborious and accurate— Aldous Huxley
2 : involving or characterized by hard or toilsome effort : labored The climb to the summit was slow and laborious.

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Other Words from laborious

laboriously adverb
laboriousness noun

Examples of laborious in a Sentence

a slow and laborious process the volunteers have been commendably laborious in their cleanup of the beach

Recent Examples on the Web

But the explosive narrative fragmented into more twisting subplots with each episode, and the lofty, technology-versus-humanity dialogue made circumnavigating the mazes a laborious task. Lorraine Ali, latimes.com, "After that wild 'Westworld' finale, the robots aren't the only ones disoriented," 26 June 2018 Then comes the laborious task of extracting medical information from the records and entering it into the database. New York Times, "New Cancer Treatments Lie Hidden Under Mountains of Paperwork," 21 May 2018 Shopping for it is laborious and next-to-near impossible to do online. Lindsay Schallon, Glamour, "The It Cosmetics Foundation I Tell Everyone About Is 25 Percent Off," 2 Nov. 2018 Itemizing every item lost can be laborious and emotionally traumatic for disaster survivors. Kathleen Pender, San Francisco Chronicle, "California bills to boost homeowners insurance after wildfires wither," 9 June 2018 In a laborious and highly technical process to estimate the social cost of carbon, the Obama administration drew on the best available work on science and economics. Cass R. Sunstein, WSJ, "A Quiet Revolution Has Given the U.S. Smarter Regulations," 21 Oct. 2018 Carriers in other areas would presumably have to undergo similarly laborious and costly processes in order to challenge Verizon data. Jon Brodkin, Ars Technica, "Verizon lied about 4G coverage—and it could hurt rural America, group says," 7 Aug. 2018 According to Ward, the process can be pretty laborious. Liana Satenstein, Vogue, "Who Are the Anonymous Users Running Instagram’s Most Famous Celebrity Style Instagram Accounts?," 19 July 2018 That's a laborious, time-consuming process that requires every road sign, lane marker, car, pedestrian, and other relevant object to be categorized for each frame of video. Jonathan M. Gitlin, Ars Technica, "Elon Musk promises big new Tesla Autopilot upgrade, but is it legal?," 10 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'laborious.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of laborious

14th century, in the meaning defined at sense 1

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Statistics for laborious

Last Updated

15 Jun 2019

Look-up Popularity

Time Traveler for laborious

The first known use of laborious was in the 14th century

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More Definitions for laborious

laborious

adjective

English Language Learners Definition of laborious

: requiring a lot of time and effort

laborious

adjective
la·​bo·​ri·​ous | \ lə-ˈbȯr-ē-əs How to pronounce laborious (audio) \

Kids Definition of laborious

: requiring much effort Rebuilding was a slow and laborious task.

Other Words from laborious

laboriously adverb

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Comments on laborious

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