laborious
la-bo-ri-ous · adjective
Definitions
adjective
- 1.
Requiring considerable effort and time; arduous.
- 2.
(Of a person) Hardworking and diligent.
- 3.
Showing signs of great effort; not flowing naturally.
Related words
Etymology
From Latin laboriosus meaning "toilsome, laborious," from labor meaning "work, toil."