A. Odd/Eccentric

Paranoid

Distrust in others, suspicion that people have sinister motives. Apt to challenge the loyalties of friends and read hostile intentions into others’ actions. Prone to anger and aggressive outbursts but otherwise emotionally cold. Often jealous, guarded, secretive, overly serious.

Schizoid

Extreme introversion and withdrawal from relationships. Prefers to be alone, little interest in others. Humorless, distant, often absorbed with own thoughts and feelings, a daydreamer. Fearful of closeness, with poor social skills, often seen as a “loner.”

Schizotypal

Peculiar or eccentric manners of speaking or dressing. Strange beliefs. “Magical thinking” such as beliefs in ESP or telepathy. Difficulty forming relationships. May react oddly in conversation, not respond, or talk to self. Speech elaborate and difficult to follow. (Possibly a mild form of schizophrenia.)

B. Dramatic/Erratic

Antisocial

Impoverished moral sense or “conscience.” History of deception, crime, legal problems, impulsive and aggressive or violent behavior. Little emotional empathy or remorse for hurting others. Manipulative, careless, callous. At high risk for substance abuse and alcoholism

Borderline

Unstable moods and intense, stormy personal relationships. Frequent mood changes and anger, unpredictable impulses. Self-mutilation or suicidal threats or gestures to get attention or manipulate others. Self-image fluctuation and a tendency to see others as “all good” or “all bad.”

Histrionic

Constant attention seeking. Grandiose language, provocative dress, exaggerated illness, all to gain attention. Believes that everyone loves them. Emotional, lively, overly dramatic, enthusiastic, and excessively flirtatious. Shallow and labile emotions. “Onstage.”

Narcissistic

Inflated sense of self-importance, absorbed by fantasies of self and success. Exaggerates own achievement, assumes others will recognize they are superior. Good first impressions but poor longer-term relationships. Exploitative of others.

C. Anxious/Inhibited

Avoidant

Socially anxious and uncomfortable unless they are confident of being liked. In contrast with schizoid person, yearns for social contact. Fears criticism and worries about being embarrassed in front of others. Avoids social situations due to fear of rejection.

Dependent

Submissive, dependent, requiring excessive approval, reassurance, and advice. Clings to people and fears losing them. Lacking self-confidence. Uncomfortable when alone. May be devastated by end of a close relationship or suicidal if breakup is threatened.

Obsessive-compulsive

Conscientious, orderly, perfectionist. Excessive need to do everything “right.” Inflexibly high standards and caution can interfere with their productivity. Fear of errors can make them strict and controlling. Poor expression of emotions. (Not the same as obsessive-compulsive disorder).

Source: Information from American Psychiatric Association, 2013.