INSANE definition: (not in technical use as a medical diagnosis) not sane; not of sound mind; mentally deranged. See examples of insane used in a sentence.
Define insane. insane synonyms, insane pronunciation, insane translation, English dictionary definition of insane. afflicted with mental derangement, having a disordered mind, mad: Her bizarre threats were the result of an insane jealousy.
The term "insane" emphasizes the presence of abnormality or madness, highlighting a departure from the ordinary and introducing an element of chaos, instability, or unpredictability.