1. to disturb the order or arrangement of; throw into confusion: »
Sudden illness in the family deranged plans for the trip. She had run for the nearest doctor in the middle of the night, but he was not a man to derange himself (New Yorker).
SYNONYM(S): disorder, disarrange.2. to make insane: »
The mother of the kidnapped baby was temporarily deranged by grief.
Useful english dictionary. 2012.