Spitfire/ˈspɪtfaɪər/ Definition 1 of 2Pro Tip 1/3Spicy spirit Spitfire implies a passionate, sometimes aggressive nature. When challenged, her spitfire response surprised everyone. Pro Tip 2/3Gender neutral Although often used for women, spitfire can describe any gender. Even as a child, he was a spitfire, defending his beliefs. Pro Tip 3/3Often admirable Being a spitfire is generally seen as a positive trait. Her spitfire personality made her a successful saleswoman.