1. in a simple, basic, or undeveloped way
2. in an early or original state of development

Examples

• The tools were primitively made from stone and wood.
• Early humans lived primitively in caves and shelters.
• The machine was primitively designed but still functional.
• The village operated primitively without modern technology.
• The artwork was primitively executed but emotionally powerful.
• They communicated primitively through gestures and simple sounds.