laborious

[ luh-bawr-ee-uhs ]
See synonyms for: laboriouslaboriouslylaboriousness on Thesaurus.com

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.

  1. characterized by or exhibiting excessive effort, dullness, and lack of spontaneity; labored: a strained, laborious plot.

  2. given to or diligent in work: a careful, laborious craftsman.

Origin of laborious

1
First recorded in 1350–1400; Middle English word from Latin word labōriōsus.See labor, -ious

Other words for laborious

Other words from laborious

  • la·bo·ri·ous·ly, adverb
  • la·bo·ri·ous·ness, noun
  • qua·si-la·bo·ri·ous, adjective
  • su·per·la·bo·ri·ous, adjective
  • su·per·la·bo·ri·ous·ness, noun
  • un·la·bo·ri·ous, adjective
  • un·la·bo·ri·ous·ness, noun

Words Nearby laborious

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use laborious in a sentence

British Dictionary definitions for laborious

laborious

/ (ləˈbɔːrɪəs) /


adjective
  1. involving great exertion or long effort

  2. given to working hard

  1. (of literary style, etc) not fluent

Derived forms of laborious

  • 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