Ineffectual and Successful

Ineffectual

Ineffectual adjective - Not producing the desired result.
Usage example: an ineffectual effort to find the trail again did at least lead them to another stunning view of the canyon

Successful is an antonym for ineffectual.

Nearby Words: ineffective, ineffectively

Successful

Successful adjective - Having attained a desired end or state of good fortune.

Ineffectual is an antonym for successful.

Nearby Words: success, successfully, successless
Cite this Source
Successful and Ineffectual. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/ineffectual/successful
Ineffectual & Successful. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/ineffectual/successful>.
Successful or Ineffectual. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/ineffectual/successful.
Google Ngram Viewer shows how "ineffectual" and "successful" have occurred on timeline