High-class and Low-grade

High-class

High-class adjective - Of the very best kind.
Usage example: had some surprisingly high-class food at the church supper

Low-grade is an antonym for high-class.

Low-grade

Low-grade adjective - Of low quality.

High-class is an antonym for low-grade.
Cite this Source
Low-grade and High-class. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/high-class/low-grade
High-class & Low-grade. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/high-class/low-grade>.
Low-grade or High-class. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/high-class/low-grade.