narrowmindedness

Example:His prejudicedness about the new employee prevented him from seeing his potential.

Definition:The quality of judging people or situations unfairly, based on one's own beliefs or opinions.

Example:His dogmatism was evident in his unwillingness to consider alternative approaches to the problem.

Definition:A belief in or practice of adhering strictly to a particular doctrine, theory, or practice, often without question.

Example:The leader of the organization was criticized for his bigotry towards members who disagreed with him.

Definition:Extreme intolerance for opinions, beliefs, or behaviors that differ from one's own, generally coupled with strong prejudice and hostility.