From The Collaborative International Dictionary of English v.0.48 [gcide]:
Punctilious \Punc*til"ious\ (-y[u^]s), adjective [Cf. It. puntiglioso, Sp. puntilloso.] Attentive to punctilio; very nice or exact in the forms of behavior, etiquette, or mutual intercourse; precise; exact in the smallest particulars. "A punctilious observance of divine laws." --Rogers. "Very punctilious copies of any letters." --The Nation.
From WordNet (r) 3.0 (2006) [wn]:
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