Delusional Disorder

**Semantic type:** Mental or Behavioral Dysfunction

**Definition:** A disorder characterized by the presence of one or more nonbizarre delusions that persist for at least 1 month; the delusion(s) are not due to schizophrenia or a mood disorder, and do not impair psychosocial functioning apart from the ramifications of the delusion(s).

**Synonyms:** - Delusional disorders