Sharpen up
Slick and sharpen up are semantically related. In some cases you can use "Slick" instead a verb "Sharpen up".
Slick
Slick verb - To coat (something) with a slippery substance in order to reduce friction.
Cite this Source
Slick and Sharpen up. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/sharpen_up/slick
Sharpen up & Slick. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/sharpen_up/slick>.
Slick or Sharpen up. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/sharpen_up/slick.
Google Ngram Viewer shows how "sharpen up" and "slick" have occurred on timeline