schizotypal personality disorder /skit′sōtī″pəl/ [Gk, schizein + typos, mark; L, personalis, of a person, dis, opposite of, ordo, rank] , a psychiatric disorder characterized by oddities of thought, perception, speech, and behavior that are not severe enough to meet the clinical criteria for schizophrenia. Symptoms may include magical thinking inconsistent with cultural norms, such as superstitiousness, belief in clairvoyance and telepathy, and bizarre fantasies; ideas of reference; recurrent illusions, such as sensing the presence of a force or person not actually present; social isolation; peculiar speech patterns, including ideas expressed unclearly or words used deviantly; and exaggerated anxiety or hypersensitivity to real or imagined criticism. See also schizoid personality disorder, schizophrenia.