"Mental disease", also known as "mental illness", can be described using various synonyms that capture the range of conditions that fall under this umbrella. Some possible alternatives include "psychiatric disorder", which suggests a medical or clinical approach to treatment; "psychological disorder", which emphasizes the role of emotional and mental functioning; and "neurological or neurocognitive disorder", which highlights the impact of brain structure and function on behavior and cognition. Other terms such as "behavioral disorder", "psychosis", "mood disorder", or "personality disorder" may be used to specify different types of mental diseases or disorders. Ultimately, the choice of synonym depends on the context and purpose of communication.