Definition of Munchausen's syndrome noun from the Oxford Advanced American Dictionary

 

Munchausen's syndrome

 noun
noun
NAmE//ˈmʌntʃaʊzənz ˌsɪndroʊm//
 
, NAmE//ˈmʊntʃaʊzənz ˌsɪndroʊm//
 
[uncountable]
 
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a mental condition in which someone keeps pretending that they are sick in order to receive hospital treatment
See the Oxford Advanced Learner's Dictionary entry: Munchausen's syndrome