INSANE definition: 1. very annoyed, angry, upset, or excited, often so that you cannot think or behave normally: 2โ€ฆ. Learn more.

The meaning of INSANE is exhibiting a severely disordered state of mind. How to use insane in a sentence.

If you describe a decision or action as insane, you think it is very foolish or excessive.

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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 โ€ฆ

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.

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