Common and First-class

Common

Common adjective - Of average to below average quality.
Usage example: has a common singing voice that's good enough for performing at those venues

First-class is an antonym for common.

First-class

First-class adjective - Of the very best kind.

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