The fidget is a word that describes someone who is restless and can't stay still. There are several synonyms for this word that can be used to describe the same type of behavior. Some of the most common synonyms include fidgety, nervous, twitchy, jittery, and restless. Each of these words can be used in a sentence to describe someone who is constantly moving, tapping their foot, or playing with their hands. Whether you are trying to describe a child who can't sit still or an adult who is constantly moving from one task to another, these synonyms can help you convey the same idea in different ways.