First class
First class noun - Mail that includes letters and postcards and packages sealed against inspection.
Proficient and first class are semantically related. in excellent topic. In some cases you can use "Proficient" instead an adjective phrase "First class", when it comes to topics like super.
Proficient
Proficient adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.
First class and proficient are semantically related. Sometimes you can use "First class" instead an adjective "Proficient".
Nearby Words: proficiency, proficiently
Mutual synonyms
Related pairs
- good and first class
- good and proficient
- elegant and first class
- elegant and proficient
- fine and first class
- fine and proficient
- crack and first class
- crack and proficient
- brilliant and first class
- brilliant and proficient
- accomplished and first class
- accomplished and proficient
- great and first class
- great and proficient
Cite this Source
Proficient and First class. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/first_class/proficient
First class & Proficient. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/first_class/proficient>.
Proficient or First class. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/first_class/proficient.
Google Ngram Viewer shows how "first class" and "proficient" have occurred on timeline