Psychotic (adjective)

1. Of or relating to psychosis, a severe mental disorder in which the person loses touch with reality.
2. Characterized by or suffering from psychosis.

Origin:

From psych- ("mind") + -otic ("suffering"), coined by psychiatrist eugen bleuler in 1908.

Examples:

1. He was diagnosed with a psychotic disorder and was institutionalized.
2. The patient was experiencing a psychotic episode and was unable to distinguish between reality and fantasy.
3. The psychiatrist prescribed an antipsychotic medication to help control the patient's symptoms.
4. The patient's behavior became increasingly erratic and psychotic over time.
5. The study of psychoses is an important area of research in the field of psychiatry.