Prime and Underived

Prime adjective - Highest in rank or authority.

Underived and prime are semantically related In some cases you can use "Underived" instead an adjective "Prime".

Nearby Words: primary, prim, primed, primal

Underived adjective - Not derived; primary or simple.

Prime and underived are semantically related in basic topic. You can use "Prime" instead an adjective "Underived", if it concerns topics such as earliest.