Fast-footed is a descriptive term used to describe someone who is quick on their feet. Synonyms for fast-footed include agile, nimble, quick, fleet-footed, sprightly, light-footed, swift, rapid, speedy, and brisk. These words are often used interchangeably to describe someone who moves or performs tasks quickly and with ease. An athlete may be described as fast-footed if they have exceptional speed and agility. Similarly, a dancer or performer may be labeled fast-footed if they move with grace and precision. Overall, these synonyms capture the essence of fast-footedness and help to paint a vivid picture of someone who is quick and nimble.