Curlycue, a word often used to describe a cute, whimsical, and playful design, has a few synonyms that can be used interchangeably. One option is "swirl," which refers to a twisting or winding shape or pattern. Another synonym is "whirl," which suggests a quick and dizzying circular movement. "Loop" is another word that can be used to describe a decorative curve or twisted form, while "coil" refers to a spiral or helical shape. "Spiral" is also a synonym that conveys the sense of something twisting or curving around a central point. All of these words can be used to bring an element of joy and lightheartedness to designs, art, and creative projects.