Definition Of deranged
cause (someone) to become insane.
that business last month must have deranged him a bit
a deranged gunman
Example Of deranged
A deranged cat poisoner is suspected of spreading terror among pet lovers in Bridgwater, Somerset, in the west of England.
A deranged old lady with totally messed up hair walked around shouting at everybody else.
Bad karma is stalking me like a deranged fan.
I keep trying to imagine how I'll bring it up to the doctor without a deranged look in my eye.
I probably looked like a deranged traveler obsessed with authority figures.