Dictionary

laborious

adjective la·bo·ri·ous \lə-ˈbr-ē-əs\

: requiring a lot of time and effort

Full Definition of LABORIOUS

1
:  devoted to labor :  industrious
2
:  involving or characterized by hard or toilsome effort :  labored
la·bo·ri·ous·ly adverb
la·bo·ri·ous·ness noun
ADVERTISEMENT

Examples of LABORIOUS

  1. a slow and laborious process
  2. <the volunteers have been commendably laborious in their cleanup of the beach>

First Known Use of LABORIOUS

14th century
LABORIOUSNESS Defined for Kids

laborious

adjective la·bo·ri·ous \lə-ˈbr-ē-əs\

Definition of LABORIOUS for Kids

:  requiring much effort <Rebuilding was a slow and laborious task.>
la·bo·ri·ous·ly adverb

Browse

Next Word in the Dictionary: laborismPrevious Word in the Dictionary: labor–intensiveAll Words Near: laborious
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears