Mountebank and Past master

Mountebank

Mountebank noun - One who makes false claims of identity or expertise.
Usage example: claimed that many doctors were frauds and mountebanks

Past master is an antonym for mountebank.

Past master

Past master noun - A person with a high level of knowledge or skill in a field.

Mountebank is an antonym for past master.
Cite this Source
Past master and Mountebank. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/mountebank/past_master
Mountebank & Past master. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/mountebank/past_master>.
Past master or Mountebank. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/mountebank/past_master.
Google Ngram Viewer shows how "mountebank" and "past master" have occurred on timeline