Idle and Sleepy

Idle

Idle adjective - Not being in a state of use, activity, or employment.
Usage example: the car was idle for two weeks while they went on vacation

Sleepy and idle are semantically related. In some cases you can use "Sleepy" instead an adjective "Idle".

Nearby Words: idled, idleness, idler, idling, idly

Sleepy

Sleepy adjective - Lacking in gaiety, movement, or animation.
Usage example: a sleepy party that was mostly attended by the same boring people I work with

Idle and sleepy are semantically related. Sometimes you can use "Idle" instead an adjective "Sleepy".

Cite this Source
Sleepy and Idle. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/idle/sleepy
Idle & Sleepy. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/idle/sleepy>.
Sleepy or Idle. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/idle/sleepy.
Google Ngram Viewer shows how "idle" and "sleepy" have occurred on timeline