Sharpen up
Sleek and sharpen up are semantically related. In some cases you can use "Sleek" instead a verb "Sharpen up".
Sleek
Sleek verb - Make slick or smooth.
Cite this Source
Sleek and Sharpen up. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/sharpen_up/sleek
Sharpen up & Sleek. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/sharpen_up/sleek>.
Sleek or Sharpen up. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/sharpen_up/sleek.
Google Ngram Viewer shows how "sharpen up" and "sleek" have occurred on timeline