laborious

adjective
la·​bo·​ri·​ous | \lə-ˈbȯr-ē-əs \

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

Some economists speculate paper inflation is also the product of the laborious peer-review process, in which other economists act as referees and read drafts, then demand any number of additions before publication. Ben Leubsdorf, WSJ, "Economists Can’t Write Economically, Driving Demand for Brevity," 23 July 2018 This makes even the simplest of actions, such as adjusting the heat or air-conditioning, unnecessarily laborious. Daniel Miller, latimes.com, "Just like underwear, wine and vitamins: You can subscribe to the Volvo XC40," 29 June 2018 Nicole Strine, former president of Houston Art Car Klub, said her entry was laborious and engaging. Andrea Fernandez-velazquez, Houston Chronicle, "Art car parade a Houston favorite for many," 14 Apr. 2018 Elections officials began the laborious task Thursday morning of recounting nearly 85,000 paper ballots in the Democratic primary for Baltimore County executive — a contest Johnny Olszewski Jr. won by just nine votes. Pamela Wood, baltimoresun.com, "Recount under way in Baltimore County executive primary race," 12 July 2018 Instead, there will have to be a laborious physical search of suspected sites. Matt Dunham And Gregory Katz, chicagotribune.com, "British police race to find source of new nerve agent poisoning," 6 July 2018 Instead, there will have to be a laborious physical search of suspected sites. Washington Post, "UK police race to find source of new nerve agent poisoning," 6 July 2018 After a laborious start, Royals' left-hander Danny Duffy retired 14 of 16 batters. Pete Grathoff, kansascity, "Danny Duffy serves up slam as Royals fall to Indians, lose 60th game of season," 3 July 2018 So far, researchers have typically used microscopes to visualize neural connections, but this is laborious and expensive work. Simon Makin, Scientific American, "“Bar Codes.” Could Trace Errant Brain Wiring in Autism and Schizophrenia," 30 Mar. 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

16 Nov 2018

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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 \

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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