feisty 
/ˈfaɪsti/ adjective
feist·i·er; feist·i·est /ˈfaɪsti/ adjective [also more feisty; most feisty] : not afraid to fight or argue : very lively and aggressive
▪ The novel features a feisty heroine. ▪ Even her opponents admire her feisty spirit.
▪ The novel features a feisty heroine. ▪ Even her opponents admire her feisty spirit.
— feist·i·ness noun [noncount]
▪ They admire her feistiness.
▪ They admire her feistiness.
