Primary and Underived

Primary adjective - Not derived from or reducible to something else; basic.

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

Nearby Words: prime, prim, primarily, primal

Underived adjective - Not derived; primary or simple.

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