primitive in WordNet English dictionary

1. little evolved from or characteristic of an earlier ancestral type
   "archaic forms of life"; "primitive mammals"; "the okapi is a short-necked primitive cousin of the giraffe"
   archaic  primitive 
   
2. belonging to an early stage of technical development; characterized by simplicity and (often) crudeness
   "the crude weapons and rude agricultural implements of early man"; "primitive movies of the 1890s"; "primitive living conditions in the Appalachian mountains"
   crude  primitive  rude 
   
3. 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"
   primitive  naive 
   
4. used of preliterate or tribal or nonindustrial societies
   "primitive societies"
   primitive 
   

1. a word serving as the basis for inflected or derived forms
   "`pick' is the primitive from which `picket' is derived"
   primitive 
   
2. a mathematical expression from which another expression is derived
   primitive 
   
3. a person who belongs to an early stage of civilization
   primitive  primitive person