Definition of fastidiousness in English:

fastidiousness

noun

  • See fastidious

    • ‘She is a high-strung kind of girl, but at least her fastidiousness extends to her sense of obligation and hospitality.’
    • ‘The best of them have a fastidiousness of mind and manner which is deeply attractive.’
    • ‘Such fastidiousness is not an advantage for a columnist.’
    • ‘It was really about his excessive fastidiousness.’
    • ‘The 33-year old man works with delicacy and fastidiousness, saying that each job entails a precise and constant application.’

Pronunciation

fastidiousness

/faˈstɪdɪəsnəs/