laborious

adjective la·bo·ri·ous \ lə-ˈbȯr-ē-əs \
Updated on: 18 May 2018

Definition of laborious

1 : devoted to labor : industrious
  • as men of research … they are magnificently laborious and accurate
  • —Aldous Huxley
2 : involving or characterized by hard or toilsome effort : labored
  • The climb to the summit was slow and laborious.

laboriously

adverb

laboriousness

noun

Examples of laborious in a Sentence

  1. a slow and laborious process

  2. the volunteers have been commendably laborious in their cleanup of the beach

Recent Examples of laborious from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'laborious.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of laborious

14th century

in the meaning defined at sense 1

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LABORIOUS Defined for English Language Learners

laborious

Definition of laborious for English Language Learners

  • : requiring a lot of time and effort


LABORIOUS Defined for Kids

laborious

adjective la·bo·ri·ous \ lə-ˈbȯr-ē-əs \

Definition of laborious for Students

: requiring much effort
  • Rebuilding was a slow and laborious task.

laboriously

adverb


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