Hoop/huːp/ Definition 1 of 5Pro Tip 1/2Playful Object Hoops are often associated with children's playthings or light-hearted activities. The kids each grabbed a colorful hoop and began twirling them. Pro Tip 2/2Jewelry Piece Hoop earrings are common in fashion and can vary greatly in size. She wore large silver hoops that matched her bracelet.