Effectual and Nonoperating

Effectual

Effectual adjective - Producing or capable of producing a desired result.

Nonoperating is an antonym for effectual.

Nonoperating

Nonoperating adjective - Not being in working order.
Usage example: fixed all nonoperating parts

Effectual is an antonym for nonoperating.
Cite this Source
Nonoperating and Effectual. (2016). Retrieved 2026, August 17, from https://thesaurus.plus/related/effectual/nonoperating
Effectual & Nonoperating. N.p., 2016. Web. 17 Aug. 2026. <https://thesaurus.plus/related/effectual/nonoperating>.
Nonoperating or Effectual. 2016. Accessed August 17, 2026. https://thesaurus.plus/related/effectual/nonoperating.
Google Ngram Viewer shows how "effectual" and "nonoperating" have occurred on timeline