Stunner/ˈstʌnər/ Definition 1 of 3Pro Tip 1/3Informal Praise Use 'stunner' as casual praise for someone's beauty, often heard in social settings. Your sister is such a stunner, she turned all heads at the party! Pro Tip 2/3Potential Overstatement 'Stunner' can exaggerate attractiveness; use when you really mean it to avoid insincerity. Wow, you look like a stunner in that dress! Pro Tip 3/3Gender Neutral 'Stunner' is not gender-specific; it can describe anyone regardless of their gender. The new guy at work is a stunner with his charming smile.