cattiest is catty's Superlative

catty

US [ˈkæti]
UK ['kæti]
  • adj.同“cattish”
  • n.
  • Web阴险;狡猾的;斤-中国市制
Comparative Degree:cattier  Superlative:cattiest  
adj.
1.
同“cattish”
n.
1.