Insane meaning: Learn the definition

Learn the definition, pronunciation, and examples of the word insane , which can mean very annoyed, angry, upset, or excited, or very stupid, unreasonable, or dangerous. Also find out the offensive and old-fashioned meaning of insane , and how to say it in different languages. Learn the meaning and usage of the adjective insane , which can describe someone with severe mental illness, someone who is very annoyed or foolish, or something that is wild and uncontrolled. See examples, synonyms, and related terms. insane meaning , definition , what is insane : completely stupid or crazy, often in a w...: Learn more. 5 meanings: 1. often offensive a. severely mentally ill, so that normal thinking and behaviour is impossible b. (as collective.... Click for more definitions.