First class
First class noun - Mail that includes letters and postcards and packages sealed against inspection.
Regular
Regular adjective - Appearing or occurring repeatedly from time to time.
First class is an antonym for regular.
Both terms in one sentence
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In the First Class movie her regular human form was blonde and she was studying to be a waitress.
Source: Comic Book / Amazing X-Men -
Super Novices lose the use of the Play Dead skill and also lose exp upon death with 1 HP remaining, just like a regular first class.
Source: Characters / Ragnarok Online
Cite this Source
Regular and First class. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/first_class/regular
First class & Regular. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/first_class/regular>.
Regular or First class. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/first_class/regular.
Google Ngram Viewer shows how "first class" and "regular" have occurred on timeline