1. The quality or state of being tenacious, energetic, spunky
   "Sarabi was the smallest of the litter but made up for her lack of size by her scrappiness!";
   - feistiness
    
2. The trait of being scrappy and pugnacious
   "The team's scrappiness allowed them to win against a more talented opponent"

Type of: adventurousness, combativeness, energy, get-up-and-go [informal], militance, militancy, push, venturesomeness