Matchless and Optimum

Matchless adjective - Having no equal or rival for excellence or desirability.

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

Nearby Word: matchlessly

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

Matchless and optimum are semantically related in best topic. Sometimes you can use "Matchless" instead an adjective "Optimum".

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