Expert and First-class

Expert adjective - Accomplished with trained ability.

First-class and expert are semantically related. in master topic. In some cases you can use "First-class" instead an adjective "Expert".

Nearby Words: experience, expertise, expertly, expertised

First-class adjective - Of the very best kind.

Expert and first-class are semantically related. Sometimes you can use "Expert" instead an adjective phrase "First-class".