Crack and Jackleg

Crack

Crack adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.
Usage example: known as one of the college's crack tennis players

Jackleg is an antonym for crack.

Jackleg

Jackleg adjective - Being such only for recreation.

Crack is an antonym for jackleg.
Cite this Source
Jackleg and Crack. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/crack/jackleg
Crack & Jackleg. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/crack/jackleg>.
Jackleg or Crack. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/crack/jackleg.
Google Ngram Viewer shows how "crack" and "jackleg" have occurred on timeline