primitive

A person who belongs to an early stage of civilization.

A mathematical expression from which another expression is derived.

A word serving as the basis for inflected or derived forms.

“`pick' is the primitive from which `picket' is derived”

Of or created by one without formal training; simple or naive in style.

“primitive art such as that by Grandma Moses is often colorful and striking”

Little evolved from or characteristic of an earlier ancestral type.

“primitive mammals”

“the okapi is a short-necked primitive cousin of the giraffe”

Belonging to an early stage of technical development; characterized by simplicity and (often) crudeness.

“primitive movies of the 1890s”

“primitive living conditions in the Appalachian mountains”

Used of preliterate or tribal or nonindustrial societies.

“primitive societies”