The term delusional insanity refers to a mental state characterized by fixed false beliefs or delusions, as well as other symptoms such as hallucinations, disorganized thinking, and abnormal behaviors. Antonyms for delusional insanity include mental clarity, rational thinking, logical reasoning, coherent thoughts, and sound mind. Having a clear and rational mind allows one to approach situations objectively, make informed decisions, and maintain a realistic view of oneself and the world. In contrast, delusional insanity can impair a person's ability to function in day-to-day life, leading to social isolation, occupational problems, and even legal issues. Thus, it is important to seek professional help if you or someone you know is experiencing symptoms of delusional insanity.