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laborious

[luh-bawr-ee-uh s, -bohr-] /ləˈbɔr i əs, -ˈboʊr-/
adjective
1.
requiring much work, exertion, or perseverance:
a laborious undertaking.
2.
characterized by or requiring extreme care and much attention to detail:
laborious research.
3.
characterized by or exhibiting excessive effort, dullness, and lack of spontaneity; labored:
a strained, laborious plot.
4.
given to or diligent in work:
a careful, laborious craftsman.
Origin of laborious
1350-1400
1350-1400; Middle English < Latin labōriōsus. See labor, -ious
Related forms
laboriously, adverb
laboriousness, noun
quasi-laborious, adjective
quasi-laboriously, adverb
superlaborious, adjective
superlaboriously, adverb
superlaboriousness, noun
unlaborious, adjective
unlaboriously, adverb
unlaboriousness, noun
Synonyms
1. toilsome, arduous, onerous, burdensome, difficult, hard, tiresome, wearisome, fatiguing. 4. hardworking, industrious, assiduous, sedulous, painstaking.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for laboriousness
Historical Examples
  • A large head and broad brow indicated slowness, but laboriousness.

  • The chief characteristic is the minute laboriousness of the execution.

    Across the Equator Thomas H. Reid
  • And it is just in those areas that one may see at their best the grit, laboriousness, and enterprise of the Moplah.

  • The picture of President Adams's daily life is striking in its simplicity and its laboriousness.

    John Quincy Adams John. T. Morse
  • Gas will be made on a larger scale, with less dirt and nuisance, and without that laboriousness now made necessary.

  • His laboriousness and assiduity: his readiness to hear any man that had ought to say, tending to any common good.

    No Cross, No Crown William Penn
  • There, in fine, is the place where real lassitude must be undergone by the body in laboriousness.

  • They had not climbed so far above the river as they had imagined from the laboriousness of the ascent.

    The Bungalow Boys Along the Yukon Dexter J. Forrester
  • He says that the laboriousness of Stevenson and Flaubert has 'gone out' and the public are bored by it.

    The Secret Life Elizabeth Bisland
British Dictionary definitions for laboriousness

laborious

/ləˈbɔːrɪəs/
adjective
1.
involving great exertion or long effort
2.
given to working hard
3.
(of literary style, etc) not fluent
Derived Forms
laboriously, adverb
laboriousness, 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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Word Origin and History for laboriousness

laborious

adj.

late 14c., "hard-working, industrious," from Old French laborios "arduous, wearisome; hard-working" (12c., Modern French laborieux), from Latin laboriosus "toilsome, wearisome, troublesome," from labor (see labor (n.)). Meaning "costing much labor, burdensome" is from early 15c.; meaning "resulting from hard work" is mid-15c. Related: Laboriousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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