Chafed at bit is a phrase normally used to describe a state of restlessness or impatience. This expression is often used to describe a person who is eager to act or move forward but is held back by circumstances beyond their control. Some possible synonyms for chafed at bit include anxious, eager, on edge, agitated, restless, antsy, twitchy, fidgety, and impatient. These synonyms describe a person who is ready to take action but cannot do so immediately, either due to external obstacles or internal struggles. These words suggest that one is straining at the leash, ready to go, and just looking for an opportunity to make things happen.