Synonyms for Feisty (same or very similar meaning)
WordNet sense 1 (showing courage):
plucky, spunkyWordNet sense 2 (displaying animation, vigor, or liveliness):
spiritedWordNet sense 3 (quick to take offense):
huffy, thin-skinned, touchyWordNet sense 4 (being susceptible to the attitudes, feelings, or circumstances of others):
sensitiveFrom the ODE community, based on WordNetadd/edit