Unreconstructed (adjective)

1. Not having been rebuilt or restored to a former condition.
2. Not having undergone a change or a transformation.
3. Not having accepted or adopted new ideas or ways of thinking.

Origin:

From the latin word "in-" meaning not and the past participle "reconstruitus" meaning rebuilt or restored.

Examples:

1. The house was left unreconstructed after the fire.
2. He remained unreconstructed in his attitudes and beliefs.
3. The factory was unreconstructed and outdated.
4. The region was unreconstructed after the war.
5. The society was unreconstructed and stuck in their ways.