If a certain function be interrupted for any length of time, it is sure to derange the system.
This does not derange the numbers, since the order of succession is observed.
But this caprice of glory shall not derange my fixed designs; this city shall not fall yet.
That his pulse is racing does not derange his line of sight, if he has will power.
My father was to have remained at Tudela till evening, but something has occurred to derange his plans.
I caught her mind before the shock of your change could derange it and—conditioned her.
I think it used to derange my stomach, and make me miserable till the next day.
It has been asked, in what way do you suppose that the affections of a mother should operate to derange the members of the ftus?
He, the officer, must befoul his person and derange his hours of rest and recreation, that others may enjoy.
Unforeseen accidents may derange our most profound schemes of policy.
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.