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laborious

Pronunciation: /ləˈbɔːrɪəs/

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Definition of laborious

adjective

  • requiring considerable time and effort:years of laborious training the work is very slow and laborious
  • (of speech or writing style) showing obvious signs of effort and lacking in fluency:she wrote in laborious, dictionary-assisted English

Derivatives

laboriously

adverb

laboriousness

noun

Origin:

late Middle English (also in the sense 'industrious, assiduous'): from Old French laborieux, from Latin laboriosus, from labor 'labour'

laborious in other Oxford dictionaries

Definition of laborious in the US English dictionary

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