Nonfunctioning and On

Opposite meaning words

Nonfunctioning adjective - Not being in working order.

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On is an antonym for nonfunctioning.

On adjective - Being in effective operation.

Usage example: please don't leave the sanding machine on if you're not going to be near it

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Nonfunctioning is an antonym for on.

Cite this Source

On and Nonfunctioning. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/nonfunctioning/on

Nonfunctioning & On. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/nonfunctioning/on>.

On or Nonfunctioning. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/nonfunctioning/on.

Google Ngram Viewer shows how "nonfunctioning" and "on" have occurred on timeline