Neuroticism is defined as a personality disorder marked by low self -esteem, excessive anxiety, and wide mood swings. Neuroticism is one of the big five (5) personality categories; the opposite of emotional stability, a description of people who are anxious, tense, and worried; people high on this dimension tend to be anxious,hostile, self-conscious, depressed, impulsive, and vulnerable. Neuroticism, moreover, is a personality dimension consistently associated with discouragement, unhappiness, and hopelessness. Neuroticism includes such qualities as anxiety, hostility, and impulsiveness.