Faultless and Optimum

Faultless adjective - Being entirely without fault or flaw.

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

Nearby Words: fault, faulty, faultlessly

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

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

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