Enlarge/ɪnˈlɑːrdʒ/ Definition 1 of 4Pro Tip 1/2Physical Size Use 'enlarge' to describe increasing the physical dimensions of objects. The architect plans to enlarge the entrance hall. Pro Tip 2/2Clarification 'Enlarge' doesn't always mean a drastic increase; it can be a slight change. I need to slightly enlarge this ring; it's too tight.