Prime
Prime noun - Individuals carefully selected as being the best of a class.
Usage example: chose the prime of the litter of pups
Upper crust and prime are semantically related. In some cases you can use "Upper crust" instead a noun "Prime".
Upper crust
Upper crust noun - Individuals carefully selected as being the best of a class.
Usage example: the conference was a gathering of the upper crust of the computer programming industry
Prime and upper crust are semantically related. Sometimes you can use "Prime" instead a noun phrase "Upper crust".
Cite this Source
Upper crust and Prime. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/prime/upper_crust
Prime & Upper crust. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/prime/upper_crust>.
Upper crust or Prime. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/prime/upper_crust.
Google Ngram Viewer shows how "prime" and "upper crust" have occurred on timeline