Laborious and Sleepy

Laborious

Laborious adjective - Involved in often constant activity.
Usage example: the volunteers have been commendably laborious in their cleanup of the beach

Sleepy is an antonym for laborious.

Sleepy

Sleepy adjective - Desiring or needing sleep.

Laborious is an antonym for sleepy.

Cite this Source
Sleepy and Laborious. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/laborious/sleepy
Laborious & Sleepy. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/laborious/sleepy>.
Sleepy or Laborious. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/laborious/sleepy.
Google Ngram Viewer shows how "laborious" and "sleepy" have occurred on timeline