Smooth operator
Slippery and smooth operator are semantically related. in slick topic. In some cases you can use "Slippery" instead an adjective phrase "Smooth operator", when it comes to topics like glib.
Slippery
Slippery adjective - Given to acting in secret and to concealing one's intentions.
Smooth operator and slippery are semantically related. Sometimes you can use "Smooth operator" instead an adjective "Slippery".
Cite this Source
Slippery and Smooth operator. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/smooth_operator/slippery
Smooth operator & Slippery. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/smooth_operator/slippery>.
Slippery or Smooth operator. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/smooth_operator/slippery.
Google Ngram Viewer shows how "smooth operator" and "slippery" have occurred on timeline