Crack and Optimum

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

Optimum and crack are semantically related. In some cases you can use "Optimum" instead an adjective "Crack".

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

Optimum adjective - Most desirable possible under a restriction expressed or implied.

Crack and optimum are semantically related. Sometimes you can use "Crack" instead an adjective "Optimum".

Nearby Words: optimal, optimization, optimize, optimise, optimally