plucky

This term describes a specific kind of courage that is often associated with an underdog or someone who is physically smaller or less powerful than their opponent. It carries a spirited, optimistic tone, suggesting a refusal to be intimidated despite overwhelming odds. While bravery can be solemn or grand, this word implies a scrappy, energetic persistence. It is frequently used in a positive, admiring sense to describe children, athletes, or marginalized figures who show surprising resilience.