Light-legged is a descriptive term that is used to describe someone who has a nimble, agile, or energetic gait. There are various synonyms that can be used in place of light-legged, including sprightly, fleet-footed, swift-footed, and light-footed. These terms are all used to describe someone who moves with great speed and grace. Other synonyms for light-legged include lively, animated, energetic, and vivacious. These words are often used to describe someone who is full of energy and enthusiasm. Whether used in describing a dancer or athlete, light-legged is a term that embodies the grace, speed, and agility of someone who is quick on their feet.