Professional
Professional adjective - Of or relating to or suitable as a profession.
Slick is a synonym for professional in expert topic. In some cases you can use "Slick" instead an adjective "Professional", when it comes to topics like skilled.
Mutual synonyms
Related pairs
Both words in one sentence
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They tend to be slick, either elegant or gaudy, just like professional card players from the past, and are more towards lean and nimble than strong and resistant.
Source: The Gambler - Two movies later, in Slick, she plays Edith, a sadistic ex-FBI agent who does battle with professional pickpockets.
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Jeremy from Slick is a professional pickpocket who uses this to pick pockets by moving too fast for anyone to realize.
Source: Super Speed
Cite this Source
Slick and Professional. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/professional/slick
Professional & Slick. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/professional/slick>.
Slick or Professional. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/professional/slick.
Google Ngram Viewer shows how "professional" and "slick" have occurred on timeline