Functioning and Sleepy

Opposite meaning words

Functioning adjective - Being in effective operation.

Usage example: looked for a functioning washing machine, but the few that weren't broken were in use

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Sleepy is an antonym for functioning.

Sleepy adjective - Desiring or needing sleep.

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Functioning is an antonym for sleepy.

Nearby Words: sleep, sleeping, sleeper, sleepless, sleepiness

Cite this Source

Sleepy and Functioning. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/functioning/sleepy

Functioning & Sleepy. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/functioning/sleepy>.

Sleepy or Functioning. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/functioning/sleepy.

Google Ngram Viewer shows how "functioning" and "sleepy" have occurred on timeline