n. pl. punc·til·i·os 1. A fine point of etiquette. 2. Precise observance of formalities. [Obsolete Italian punctiglio, from Spanish puntillo, diminutive of punto, point, from Latin pūnctum, from neuter past participle of pungere, to prick; see peuk- in the Appendix of Indo-European roots.] |
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