Unlearned (adjective)

1. Not having learned or acquired knowledge about a particular subject.
2. Lacking education or training in a particular field or discipline.

Origin:

Derived from the word 'learn' meaning to gain knowledge or understanding about a particular subject or skill.

Examples:

1. The young man was unlearned in the ways of the world.
2. The rural community was unlearned in modern technology and ways of life.
3. The self-taught artist was unlearned in the traditional techniques of his craft.
4. The amateur scientist was unlearned in the formal methods of conducting research.
5. The primitive tribe was unlearned in the cultural norms and customs of civilization.