First class
First class noun - Mail that includes letters and postcards and packages sealed against inspection.
High class and first class are semantically related. In some cases you can use "High class" instead an adjective phrase "First class".
High class
First class and high class are semantically related. Sometimes you can use "First class" instead an adjective phrase "High class".
Mutual synonyms
Related pairs
- good and first class
- good and high class
- choice and first class
- choice and high class
- expensive and first class
- expensive and high class
- elite and first class
- elite and high class
- best and first class
- best and high class
- luxurious and first class
- luxurious and high class
- elegant and first class
- elegant and high class
Cite this Source
High class and First class. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/first_class/high_class
First class & High class. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/first_class/high_class>.
High class or First class. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/first_class/high_class.
Google Ngram Viewer shows how "first class" and "high class" have occurred on timeline