Examples from the Web for punctilious
The Tory revolutionary was so punctilious and respectful of her monarch it was almost embarrassing.
Denis Thatcher got on well with the Queen Mother, enjoyed a drink as much as she did, and was punctilious about royal protocol.
A courteous, well-bred gentleman, my boy—most punctilious about all his obligations and very honest about his failings.Kennedy Square|F. Hopkinson Smith
Let the faith of the States, corporations, and individuals already pledged be kept with the most punctilious regard.A Compilation of the Messages and Papers of the Presidents|James D. Richardson
The character of President Pierce was that of a punctilious gentleman.The Middle Period 1817-1858|John William Burgess
He finished by becoming a punctilious practitioner of Parliamentary forms, a stickler for the minutest observation of order.
Oh, of course, our Right Honourable is too punctilious for that!My Novel, Complete|Edward Bulwer-Lytton
British Dictionary definitions for punctilious
Word Origin and History for punctilious
1630s, probably from Italian puntiglioso, from puntiglio "fine point," from Latin punctum "prick" (see point (n.)). Related: Punctiliously; punctiliousness.