1350-1400; < Late Latinparticulāris, equivalent to Latinparticul(a) particle + -āris-ar1; replacing Middle Englishparticuler < Middle French < Late Latin, as above
1. See special. 1, 2. specific. 2. distinct; discrete. 3. notable. 6. scrupulous, careful, exact, precise. 7. discriminating; finical, finicky. Particular, dainty, fastidious imply great care, discrimination, and taste in choices, in details about one's person, etc. Particular implies especially care and attention to details: particular about one's clothes. Dainty implies delicate taste and exquisite cleanliness: a dainty dress. Fastidious implies being difficult to please and critical of small or minor points: a fastidious taste in styles.10. feature, particularity.
late 14c., "pertaining to a single thing or person," from O.Fr. particuler, from L.L. particularis "of a part," from L. particula "particle" (see particle). Sense of "precise, exacting" first recorded 1814. Noun meaning "a part or section of a whole" is from late 15c. Particulars "small details of statement" is from c.1600.