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

Synonyms for laborious

Words Related to laborious

Near Antonyms for laborious

Antonyms for laborious

See the Dictionary Definition 

Learn More About laborious

Time Traveler for laborious

Time Traveler

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

See more words from the same century

Thesaurus Entries Near laborious

laboring

laborious

laboriously

See More Nearby Entries 

Cite this Entry

“Laborious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/laborious. Accessed 17 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on laborious

Nglish: Translation of laborious for Spanish Speakers

Britannica English: Translation of laborious for Arabic Speakers

WORD OF THE DAY

Test Your Vocabulary

Name That Color

  • a light greenish blue color
  • Name that color:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!