Thesaurus

laborious

adjective

Synonyms & Antonyms of laborious

3 requiring much time, effort, or careful attention
  • that report is the product of months of laborious research

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Time Traveler

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

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Cite this Entry

“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 24 Jan. 2021.

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More from Merriam-Webster on laborious

Dictionary: Definition of laborious

Nglish: Translation of laborious for Spanish Speakers

Britannica English: Translation of laborious for Arabic Speakers

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