Better and Unequalled

Better adjective - (comparative of `good') superior to another (of the same class or set or kind) in excellence or quality or desirability or suitability; more highly skilled than another.

Unequalled and better are semantically related. In some cases you can use "Unequalled" instead an adjective "Better".

Unequalled adjective - Radically distinctive and without equal.

Better and unequalled are semantically related. Sometimes you can use "Better" instead an adjective "Unequalled".