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

     

    gregariousness

     noun
    noun
    BrE BrE//ɡrɪˈɡeriəsnəs//
     
    ; NAmE NAmE//ɡrɪˈɡeriəsnəs//
     
    [uncountable]
     
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  1. 1the quality of liking to be with other people
  2. 2(biology) the fact of animals or birds living in groups