First class and Latest
Opposite meaning terms
First class
First class noun - Mail that includes letters and postcards and packages sealed against inspection.
Latest
Latest adjective - Following all others of the same kind in order or time.
First class is an antonym for latest.
Cite this Source
Latest and First class. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/first_class/latest
First class & Latest. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/first_class/latest>.
Latest or First class. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/first_class/latest.
Google Ngram Viewer shows how "first class" and "latest" have occurred on timeline