In a class all by itself and Prime

Prime and in a class all by itself are semantically related. in first-rate topic. In some cases you can use "Prime" instead an adjective phrase "In a class all by itself".

Prime adjective - Highest in rank or authority.

In a class all by itself and prime are semantically related. Sometimes you can use "In a class all by itself" instead an adjective "Prime".

Nearby Words: primary, prim, primed, primal