Refinement
Refinement noun - An instance of notable progress in the development of knowledge, technology, or skill.
Upper crust and refinement are semantically related. In some cases you can use "Upper crust" instead a noun "Refinement".
Upper crust
Upper crust noun - Individuals carefully selected as being the best of a class.
Refinement and upper crust are semantically related. Sometimes you can use "Refinement" instead a noun phrase "Upper crust".
Mutual synonyms
Cite this Source
Upper crust and Refinement. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/refinement/upper_crust
Refinement & Upper crust. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/refinement/upper_crust>.
Upper crust or Refinement. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/refinement/upper_crust.
Google Ngram Viewer shows how "refinement" and "upper crust" have occurred on timeline