1. Something at which one excels or is particularly skilled; someone's speciality
   "Mathematics was her long suit";
   - forte, strong suit, métier, specialty [N. Amer], speciality [Brit, Cdn], strong point, strength
    
2. In a hand, the suit having the most cards
   "Her long suit in bridge was hearts, with six cards"

Derived forms: long suits

Type of: accumulation, aggregation, assemblage, asset, collection, plus

Part of: deal, hand

Encyclopedia: Long suit