Diligent and Sleepy

Diligent

Diligent adjective - Involved in often constant activity.
Usage example: a student who has been unceasingly diligent in pursuit of a degree in mathematics

Sleepy is an antonym for diligent.

Nearby Words: diligence, diligently

Sleepy

Sleepy adjective - Slow to move or act.
Usage example: a sleepy little town on the coast

Diligent is an antonym for sleepy.

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