His cat Choppy terribly mentally disturbed (12)
I believe the answer is:
psychopathic
'disturbed' is the definition.
(thesaurus)
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for psychopathic that I've seen before include "Pathologically violent and antisocial" , "certifiable" .)
I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution?
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