Elastic/ɪˈlæstɪk/ Definition 1 of 4Pro Tip 1/3Physical Properties Relate 'elastic' to physical objects that can stretch, like rubber bands or leggings. The waistband is elastic, so it fits comfortably. Pro Tip 2/3Durability Aspect 'Elastic' implies durability since the object returns to its shape even after stress. These elastic socks won't sag after you wear them all day. Pro Tip 3/3Clothing Fit Clothes described as 'elastic' should fit various body shapes comfortably. I prefer elastic waistbands because they're less restricting.