verb (used with object), de·ranged, de·rang·ing.
Origin of derange
Examples from the Web for derange
It was in gasps that he muttered, "Bon jour; excuse me if I derange you."The Parisians, Complete|Edward Bulwer-Lytton
The interruption was likely to create disturbance there and derange all our plans for supply.Military Reminiscences of the Civil War V1|Jacob Dolson Cox
That his pulse is racing does not derange his line of sight, if he has will power.Battle Studies|Charles-Jean-Jacques-Joseph Ardant du Picq
I caught her mind before the shock of your change could derange it and—conditioned her.Assignment's End|Roger Dee
He, the officer, must befoul his person and derange his hours of rest and recreation, that others may enjoy.Shandygaff|Christopher Morley
British Dictionary definitions for derange
Word Origin for derange
Word Origin and History for derange
1776, "throw into confusion," from French déranger, from Old French desrengier "disarrange, throw into disorder," from des- "do the opposite of" (see dis-) + Old French rengier (Modern French ranger) "to put into line," from reng "line, row," from a Germanic source (see rank (n.)). Mental sense first recorded c.1790.