Student Thesaurus

One entry found for laborious.
Entry Word: laborious
Function: adjective
Text: 1 involved in often constant activity <the volunteers have been commendably laborious in their cleanup of the playground> -- see BUSY 1
2 requiring considerable physical or mental effort <the workers soon wearied of their laborious tasks> -- see HARD 2
3 requiring much time, effort, or careful attention <the students spent hours researching and writing the laborious report> -- see DEMANDING 1