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.

Keep scrolling for more

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

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 Over 5 ⅓ innings, Jackson surrendered just three hits and three earned runs but walked 7 in a laborious 109-pitch outing. 7. Si.com Staff, SI.com, "Nine Innings: Inside J.D. Martinez's Essential Role With the Red Sox and the Best of Mike Trout," 25 June 2018 The Washington Post documented her laborious efforts to rebuild after the 2016 flood. Steve Hendrix, Washington Post, "‘I thought I was prepared’: Ellicott City business owners confront second disaster," 29 May 2018 But with hundreds of thousands of dollars on the line, first-time investors need an experienced mentor to walk them through the laborious, yet potentially lucrative, process of successfully flipping a property. Brandon T. Harden, Philly.com, "'Real estate is the foundation of wealth,' says former Philly radio personality and host of HGTV's 'Flipping Virgins'," 22 May 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.

See More

First Known Use of laborious

14th century, in the meaning defined at sense 1

Keep scrolling for more

Learn More about laborious

Statistics for laborious

Last Updated

10 Aug 2018

Look-up Popularity

Time Traveler for laborious

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

See more words from the same century

Keep scrolling for more

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

Keep scrolling for more

Comments on laborious

What made you want to look up laborious? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to deposit or conceal in a hiding place

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!