Laborious meaning

lə-bôrē-əs
Marked by or requiring long, hard work.

Spent many laborious hours on the project.

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The definition of laborious is something that requires a lot of work and that is often tedious or difficult.

Building a house is an example of a process that would be described as laborious.

Reading a badly written essay that lacks in fluency is an example of a task that would be described as laborious.

adjective
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Hard-working; industrious.
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adjective
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Requiring much physical effort; toilsome.
adjective
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Involving or calling for much hard work; difficult.
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(archaic) Industrious; hardworking.
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Origin of laborious

  • Middle English from Old French laborieux from Latin labōriōsus from labor labor

    From American Heritage Dictionary of the English Language, 5th Edition