- (v.t.) To disturb in action or function, as a part or organ or the whole of a machine or organism.
- (v.t.) 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.
- (v.t.) To disturb in the orderly or normal action of the intellect; to render insane.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). derange. Retrieved September 23, 2026, from http://smartdefine.org/derange/definitions/1996403 |
| Chicago | Webster's. 2011. "derange" http://smartdefine.org/derange/definitions/1996403 (accessed September 23, 2026). |
| Harvard | Webster's 2011, derange, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/derange/definitions/1996403>. |
| MLA | Webster's. "derange" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/derange/definitions/1996403> |