First-class and Optimal

First-class adjective - Of the very best kind.

Optimal and first-class are semantically related. In some cases you can use "Optimal" instead an adjective phrase "First-class".

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

First-class and optimal are semantically related. Sometimes you can use "First-class" instead an adjective "Optimal".

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