Derange

·vt To disturb in the orderly or normal action of the intellect; to render insane.

II. Derange ·vt To disturb in action or function, as a part or organ, or the whole of a machine or organism.

III. Derange ·vt To put out of place, order, or rank; to disturb the proper arrangement or order of; to throw into disorder, confusion, or embarrassment; to Disorder; to Disarrange; as, to derange the plans of a commander, or the affairs of a nation.