fastidious in, about


Senior Member

What is the difference in the senses between the phrases "fastidious in" and "fastidious about"?
For example, in the sentences below:

1.a He was fastidious in his preparation for the big day.
1.b He was fastidious about his preparation for the big day.

2.a She wasn't very fastidious in personal hygiene.
2.b She wasn't very fastidious about personal hygiene.
  • rhitagawr

    Senior Member
    British English
    The first two sentences don't sound right. You can only be fastidious in personal matters - dress, hygiene etc. and not in cleaning the car, painting the shed etc.
    I prefer fastidious in. (I'd also prefer in his or in matters of rather than just the preposition).
    Last edited:
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