An original or primary word; a word not derived from another, as opposed to derivative.

A member of a primitive society.

A simple-minded person.

Of or pertaining to the beginning or origin, or to early times; original; primordial; primeval; first.

“primitive innocence;   the primitive church”

Of or pertaining to or harking back to a former time; old-fashioned; characterized by simplicity.

“a primitive style of dress”

Crude, obsolete.

“primitive ideas”