Definition of singleness noun from the Oxford Advanced American Dictionary

     

    singleness

     noun
    noun
    NAmE//ˈsɪŋɡlnəs//
     
    [uncountable]
     
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  1. 1singleness of purpose the ability to think about one particular aim or goal because you are determined to succeed
  2. 2the state of not being married or having a partner
See the Oxford Advanced Learner's Dictionary entry: singleness