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laborious

[ luh-bawr-ee-uhs, -bohr- ]
/ ləˈbɔr i əs, -ˈboʊr- /
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See synonyms for: laborious / laboriously / laboriousness on Thesaurus.com

adjective

requiring much work, exertion, or perseverance: a laborious undertaking.
characterized by or requiring extreme care and much attention to detail: laborious research.
characterized by or exhibiting excessive effort, dullness, and lack of spontaneity; labored: a strained, laborious plot.
given to or diligent in work: a careful, laborious craftsman.

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Origin of laborious

First recorded in 1350–1400; Middle English word from Latin word labōriōsus.See labor, -ious

OTHER WORDS FROM laborious

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use laborious in a sentence

British Dictionary definitions for laborious

laborious
/ (ləˈbɔːrɪəs) /

adjective

involving great exertion or long effort
given to working hard
(of literary style, etc) not fluent

Derived forms of laborious

laboriously, adverblaboriousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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