Definition of dissatisfaction noun from the Oxford Advanced American Dictionary

 

dissatisfaction

 noun
noun
NAmE//dɪˌsæt̮əsˈfækʃn//
 
, NAmE//ˌdɪsˌsæt̮əsˈfækʃn//
 
[uncountable]dissatisfaction (with/at somebody/something)
 
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a feeling that you are not pleased and satisfied Many people have expressed their dissatisfaction with the arrangement. opposite satisfaction
See the Oxford Advanced Learner's Dictionary entry: dissatisfaction