Spunk/spʌŋk/ Definition 1 of 3Pro Tip 1/3Positive Connotation The word 'spunk' carries a positive meaning, praising someone's bravery or resolve. She had the spunk to stand up for herself. Pro Tip 2/3Casual Speech Often used in informal contexts, 'spunk' suits casual conversations more than formal ones. My little brother's got spunk, no one bullies him. Pro Tip 3/3Not About Physical Strength 'Spunk' refers to mental strength, not how physically strong someone is. Despite her size, she's got a lot of spunk.