feistily
/ˈfaɪstɪli/
adverb
- In a lively, energetic, and determined way, often showing a willingness to argue or fight.
- She feistily defended her opinion during the debate, refusing to back down.
- The team played feistily, never giving up even when they were behind by ten points.
- The little dog barked feistily at the much larger mail carrier.