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



    BrE BrE//fæˈstɪdiəsnəs//
    ; NAmE NAmE//fæˈstɪdiəsnəs//
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  1. 1the quality of being careful that every detail of something is correct synonym meticulousness precision, fastidiousness and professionalism
  2. 2(sometimes disapproving) the quality of not liking things to be dirty or untidy her fastidiousness about personal hygiene