Meanings of so punctilious in English

It is a ridiculous fad of yours, Lawrence, to be so punctilious.

But since when have you gentlemen become so observant and so punctilious?

Perhaps that is why I am so punctilious about winding it.

But why are you so punctilious?

Mr. DeVenet was not so punctilious, however, that he had escaped being seen in the flirtatious, bicycling company of the notorious Widow De Schubert.

Few Americans are so punctilious as to pay their dinner calls within twenty-four hours; but it is the height of correctness and good manners.

They raised him as he attempted to kneel, and had a seat placed for him near them,- ararehonour in so punctilious a Court.

Fernando asked, forgetting the accustomed formality of touching his hat, by way of salute, while speaking with so punctilious an officer as Captain Snipes.

She was so extra good, so punctilious, and so proper; she didn't suit me one bit, and I didn't suit her one little bit either.