Adept and Ineffective

Adept

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

Ineffective is an antonym for adept.

Nearby Word: adeptly

Ineffective

Ineffective adjective - Not producing the desired result.

Adept is an antonym for ineffective.

Cite this Source
Ineffective and Adept. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/adept/ineffective
Adept & Ineffective. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/adept/ineffective>.
Ineffective or Adept. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/adept/ineffective.
Google Ngram Viewer shows how "adept" and "ineffective" have occurred on timeline