Adept and Ineffectual

Opposite meaning words

Adept adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.

Usage example: he's an adept pitcher, and the team is lucky to have him

Show all Definitions

Ineffectual is an antonym for adept.

Nearby Word: adeptly

Ineffectual adjective - Not producing the desired result.

Show all Definitions

Adept is an antonym for ineffectual.

Nearby Words: ineffective, ineffectively

Cite this Source

Ineffectual and Adept. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/adept/ineffectual

Adept & Ineffectual. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/adept/ineffectual>.

Ineffectual or Adept. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/adept/ineffectual.

Google Ngram Viewer shows how "adept" and "ineffectual" have occurred on timeline