Definition of Insane

being of an irrational or crazy mental state

Examples of Insane in a sentence

The insane woman believed that she had two different people living inside of her mind, and that they were entirely separate from her.  🔊

Someone who is insane does not possess regular mental faculties, and is likely to have no grasp on reality.  🔊

If you are seeing things that are not really there you are either insane or hallucinating, the latter of which could be a symptom of the first.  🔊

It would be insane to believe that you are immortal despite being human, yet some people claim themselves to be gods.  🔊

I am almost certain that my neighbor is insane, as he constantly claims that my garden gnome is mocking him whenever he goes to his mailbox.  🔊

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