n. pl. par·tic·u·lar·i·ties 1. The quality or state of being particular rather than general.
2. Exactitude of detail, especially in description: a travel account written with almost excruciating particularity.
3. Attention to or concern with detail; fastidiousness: a scholar known for her particularity.
4. A specific point or detail; a particular.
5. An individual characteristic; a peculiarity.