11 letters · 15 points in Scrabble
adjective marked by precise accordance with details
originEtymology tree English punctilio Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ōtsos or *-otsos Latin -ōsus Old French -usbor. Middle English -ous English -ous English punctilious From punctilio (“fine point in exactness of conduct”) + -ous.
Etymology from Wiktionary, CC BY-SA 3.0