"Tucking one's tail" is a common phrase used to describe someone's cowardly behavior. However, there are plenty of other synonyms that can be used to convey the same meaning. Some of these include "backing down", "retreating", "withdrawing", "backpedaling", "yielding", and "caving in". These terms can be used in various contexts, such as in personal relationships or in the workplace. Using a different phrase to describe someone's behavior can add variety to one's language use and help to more accurately convey the intended meaning.
