Nonprofessional and Proficient
Opposite meaning words
Nonprofessional
Nonprofessional adjective - Lacking or showing a lack of expert skill.
Usage example: didn't like the nonprofessional photos the modeling agency did for her
Proficient is an antonym for nonprofessional.
Proficient
Proficient noun - A person with a high level of knowledge or skill in a field.
Usage example: an urgent call by the state department for proficients in Arabic
Nonprofessional is an antonym for proficient.
Nearby Words: proficiency, proficiently
Cite this Source
Proficient and Nonprofessional. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/nonprofessional/proficient
Nonprofessional & Proficient. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/nonprofessional/proficient>.
Proficient or Nonprofessional. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/nonprofessional/proficient.
Google Ngram Viewer shows how "nonprofessional" and "proficient" have occurred on timeline