Brief psychotic disorder is a mental health condition that is characterized by sudden and temporary episodes of psychotic symptoms, such as hallucinations and delusions. There are several synonyms that can be used to describe this disorder, including acute psychosis, reactive psychosis, and transitory psychosis. These terms suggest the temporary and sudden onset of the disorder, as well as the fact that it is usually triggered by a stressful event or situation. Other possible synonyms for brief psychotic disorder may include psychotic episode, brief psychotic episode, and transient psychosis. All of these terms refer to a condition that is often unpredictable, but may resolve on its own within a relatively short period of time.