First-class and Junior

First-class

First-class adjective - Of the very best kind.

Junior is an antonym for first-class.

Junior

Junior adjective - Having not so great importance or rank as another.
Usage example: junior advisers to the governor

First-class is an antonym for junior in subordinate topic.
Cite this Source
Junior and First-class. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/first-class/junior
First-class & Junior. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/first-class/junior>.
Junior or First-class. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/first-class/junior.