Definition of psyche noun from the Oxford Advanced Learner's Dictionary

 

psyche

 noun
noun
BrE BrE//ˈsaɪki//
 
; NAmE NAmE//ˈsaɪki//
 
(formal)
 
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the mind; your deepest feelings and attitudes the human psyche She knew, at some deep level of her psyche, that what she was doing was wrong. Much is still not known about the long-term effects of mind-altering drugs on the human psyche. Word Origin mid 17th cent.: via Latin from Greek psukhē ‘breath, life, soul’.