Slinky/ˈslɪŋki/ Definition 1 of 2Pro Tip 1/3Sultry Appeal Often used to describe an alluring, sensual style, especially in fashion. Her slinky gown caught everyone's attention. Pro Tip 2/3Subtle Movement Describes movement that is gracefully fluid and barely noticeable. The dancer's slinky gestures captivated the audience. Pro Tip 3/3Elegantly Casual Can refer to a casual yet sophisticated style or behavior. She had a slinky elegance even in her casual wear.