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TOEFL IELTS BNC: 14158 COCA: 18512

laborious

adjective

la·​bo·​ri·​ous lə-ˈbȯr-ē-əs How to pronounce laborious (audio)
1
a
: involving, requiring, or characterized by hard and sustained effort : arduous
Overland travel was not an adventurous communal leap, but a laborious, individual trek. Daniel J. Boorstin
Making a telescope mirror is a long and laborious process. David Devoss and Eric Sander
b
: characterized by long, detailed elaboration : tedious
Much of the middle of the book is a laborious account of the scouring of the ocean floor that led to the discovery of the Titanic. The Economist
2
: devoted to labor : industrious
We have the greatest riches, the greatest fertility, … the most laborious population. Joseph Conrad
laboriously adverb
laboriousness noun

Example Sentences

a slow and laborious process the volunteers have been commendably laborious in their cleanup of the beach
Recent Examples on the Web Helping a voucher recipient move into an apartment is a laborious process, Christy Respress, who runs the nonprofit Pathways to Housing, explained. Julie Zauzmer Weil, Anchorage Daily News, 13 Aug. 2022 Helping a voucher recipient move into an apartment is a laborious process, Christy Respress, who runs the nonprofit Pathways to Housing, explained. Julie Zauzmer Weil, Washington Post, 12 Aug. 2022 The legislation, originally sketched out as a $3.5 trillion budget blueprint, had already been curtailed substantially to satisfy Mr. Manchin and a few other centrists, through months of laborious negotiations. New York Times, 19 Dec. 2021 Given the history of Black people in United States—ascending from chattel slavery to free American citizens—the journey to establishing an identity for ourselves has been laborious. Essence, 11 Aug. 2022 Producing lavender oil is laborious: The flowers are picked, dried and sent to a distillery to extract the oil. Lucy Papachristou, WSJ, 7 Aug. 2022 Tracing transactions can also be laborious because electronic components often travel through a chain of distributors before reaching the end user. Jeanne Whalen, Washington Post, 15 June 2022 Andrew Hamilton, health care research director for Service Employees International Union (SEIU), said plodding through HCA’s political contribution was laborious. Cindy Krischer Goodman, Sun Sentinel, 21 Apr. 2022 And the journey from one to the other was laborious. James Harbeck, The Week, 23 Feb. 2022 See More

Word History

First Known Use

14th century, in the meaning defined at sense 2

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

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