Derangement
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The act of deranging or putting out of order, or the state ofbeing deranged; disarrangement; disorder; confusion; especially,mental disorder; insanity.
Derangement meaning & definition 1 of Derangement.
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the state of being completely unable to think clearly or behave in a controlled way, especially because of mental illness:
Derangement meaning & definition 2 of Derangement.