(not in technical use as a medical diagnosis) not sane; Not of sound mind; Mentally deranged.

Very annoyed, angry, upset, or excited, often so that you cannot think or behave normally: Learn more. If you describe a decision or action as insane, you think it is very foolish or excessive. The meaning of insane is exhibiting a severely disordered state of mind. How to use insane in a sentence. Wordreference random house unabridged dictionary of american english © 2025 in•sane (in sän′), adj. Not of sound mind;

How to use insane in a sentence. Wordreference random house unabridged dictionary of american english © 2025 in•sane (in sän′), adj. Not of sound mind; Mentally deranged. Of, pertaining to, or characteristic of a person … 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 …

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 …