introverted

Characterized by interest in or preoccupation with oneself or one's own thoughts as opposed to others or the environment; shy or reserved.

Examining one's own sensory and perceptual experiences. Contrasted with extrospective.

Marked by concern predominantly with oneself or one's own feelings. Contrasted with extroverted.

Possessing the characteristic property of an introvert. Preferring the internal, satisfied with self, lacking interest or comfort in social interactions.

Given to examining own sensory and perceptual experiences.