Faultless and Optimal

Faultless adjective - Being entirely without fault or flaw.

Optimal and faultless are semantically related. In some cases you can use "Optimal" instead an adjective "Faultless".

Nearby Words: fault, faulty, faultlessly

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

Faultless and optimal are semantically related. Sometimes you can use "Faultless" instead an adjective "Optimal".

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