Flat and Sleek
Opposite meaning words
Flat
Flat adjective - Lacking a surface luster or gloss.
Usage example: used a flat paint for the condo's interior walls
Sleek
Sleek adjective - Having a shiny surface or finish.
Usage example: a striking beauty with sleek raven hair
Cite this Source
Sleek and Flat. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/flat/sleek
Flat & Sleek. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/flat/sleek>.
Sleek or Flat. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/flat/sleek.
Google Ngram Viewer shows how "flat" and "sleek" have occurred on timeline