Crack and First-class

Crack adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.

First-class is a synonym for crack in super topic. In some cases you can use "First-class" instead an adjective "Crack".

Nearby Words: cracked, cracking, crackle, cracker, crackled

First-class adjective - Of the very best kind.

Crack is a synonym for first-class. Sometimes you can use "Crack" instead an adjective phrase "First-class".