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DictionaryderangeDisrupt
verb

derange

To disturb the normal order or functioning of something, including a person's mind.

Even a small change can derange the machine's delicate balance.

Etymology
deFrenchout of
+rangeFrencharrange in order

French dé- and ranger express putting something out of order. Derange extends that disruption from arranged objects to normal operations, including the functioning of a person’s mind.

More examples

  • The sudden closure deranged our carefully planned schedule.
  • Prolonged isolation can derange the mind.
  • A faulty signal is deranging the timing of the entire system.

Forms

derange · deranges · deranged · deranging

derangement noun — A disturbance of normal order or function.

Similar words

disrupt
Emphasizes interruption of an activity, process, or normal operation.
disarrange
Specifically means putting physical objects out of their proper order.