First class and Low-class

First class

First class noun - Mail that includes letters and postcards and packages sealed against inspection.

Low-class is an antonym for first class in topics: better, superior, super, most excellent.

Low-class

Low-class adjective - Occupying the lowest socioeconomic position in a society.

First class is an antonym for low-class.
Cite this Source
Low-class and First class. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/first_class/low-class
First class & Low-class. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/first_class/low-class>.
Low-class or First class. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/first_class/low-class.