First class and Fraudulent
Opposite meaning terms
First class
First class noun - Mail that includes letters and postcards and packages sealed against inspection.
Fraudulent
Fraudulent adjective - Marked by, based on, or done by the use of dishonest methods to acquire something of value.
First class is an antonym for fraudulent.
Nearby Word: fraudulently
Cite this Source
Fraudulent and First class. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/first_class/fraudulent
First class & Fraudulent. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/first_class/fraudulent>.
Fraudulent or First class. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/first_class/fraudulent.
Google Ngram Viewer shows how "first class" and "fraudulent" have occurred on timeline