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

     

    possessiveness

     noun
    noun
    BrE BrE//pəˈzesɪvnəs//
     
    ; NAmE NAmE//pəˈzesɪvnəs//
     
    [uncountable]
     
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  1. 1the quality of demanding total attention or love and not wanting somebody to be independent I couldn't stand his jealousy and possessiveness. possessiveness of/about/over somebody Her obsessive possessiveness of her brother prevented him from marrying.
  2. 2possessiveness (of/about/over somebody/something) the quality of not liking to lend things or share things with others I felt no possessiveness over my own words.