Which word describes a person who is narrow-minded and lacking sophistication?

The word "provincial" accurately describes a person who is narrow-minded and lacking sophistication. It originates from the term used to refer to someone from a province, implying a person who is limited in their experience and worldview, often reflecting a more insular or parochial perspective. Such individuals may be resistant to new ideas or concepts that challenge their established beliefs, making them appear unsophisticated in broader social or cultural contexts.

In contrast, "profuse" refers to something that is abundant or overflowing; it does not relate to narrow-mindedness. "Culpable" means deserving blame or responsibility for a fault or wrongdoing, which also does not capture the essence of narrow-mindedness. "Curmudgeon" describes a person who is often irritable or bad-tempered, which could imply a certain closed-mindedness, but it does not necessarily encompass the idea of lacking sophistication or a broader worldview that "provincial" does. Therefore, "provincial" is the most fitting choice for describing a narrow-minded and unsophisticated individual.