American English

Definition of self-congratulation noun from the Oxford Advanced American Dictionary

 

self-congratulation

 noun
noun
 
[uncountable] (usually disapproving)
 
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a way of behaving that shows that you think you have done something very well and are pleased with yourself
self-congratulatory
 
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adjective The winners gave themselves a self-congratulatory round of applause.
See the Oxford Advanced Learner's Dictionary entry: self-congratulation