Psychotic
Part of speech: adjective
Definition: Of, related to, or suffering from psychosis.
Part of speech: noun
Definition: A person affected by psychosis.
Example sentence: I don't like psychiatry. I don't believe it works. I believe psychiatrists are neurotic or psychotic, for the most part.
Insane
Part of speech: adjective
Definition: Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted.Used by, or appropriated to, insane persons; as, an insane hospital.Causing insanity or madness.Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc.
Example sentence: Old age realizes the dreams of youth: look at Dean Swift; in his youth he built an asylum for the insane, in his old age he was himself an inmate.