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

 

OCD

 noun
noun
BrE BrE//ˌəʊ siː ˈdiː//
 
; NAmE NAmE//ˌoʊ siː ˈdiː//
 
[uncountable] Mental and emotional problems
 
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the abbreviation for ‘obsessive compulsive disorder’ (a mental disorder in which somebody feels they have to repeat certain actions or activities to get rid of fears or unpleasant thoughts) to suffer from OCD See related entries: Mental and emotional problems
See the Oxford Advanced American Dictionary entry: OCD