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

 

goner

 noun
noun
BrE BrE//ˈɡɒnə(r)//
 
; NAmE NAmE//ˈɡɔːnər//
 
(informal)
 
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a person who is going to die soon or who cannot be saved from a dangerous situation We were frantic. We thought you were a goner.
See the Oxford Advanced American Dictionary entry: goner