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

     

    sobriety

     noun
    noun
    BrE BrE//səˈbraɪəti//
     
    ; NAmE NAmE//səˈbraɪəti//
     
    [uncountable](formal)
     
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  1. 1the state of being sober (= not being drunk) opposite insobriety
  2. 2the fact of being sensible and serious She was a model of sobriety and honesty.
  3. Word Origin late Middle English: from Old French sobriete or Latin sobrietas, from sobrius.
See the Oxford Advanced American Dictionary entry: sobriety