punctiliousness

/pʌŋkˈtɪliəsnəs/
noun
  1. The quality of being very careful about every detail of behavior, duty, or procedure; great attention to correctness and proper form.
    • Her punctiliousness in checking all the numbers made her an excellent accountant.
    • The butler's punctiliousness ensured that every fork and spoon was placed exactly right for the formal dinner.
    • The ambassador was known for his punctiliousness in following diplomatic protocol.
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