Not another peep is an expression used when someone wants complete silence or when they are tired of hearing someone talk about the same thing repeatedly. There are various synonyms that can be used in place of not another peep. Some of these synonyms include silence, quiet, hush, shush, stillness, calmness, tranquility, peace, serenity, and noiselessness. These alternatives can be used when a specific word may fit the context better and help to convey a desired effect. For instance, someone may use tranquil silence when they are trying to create a calm environment while studying. Using different synonyms for not another peep can also help to add variety to a conversation or writing.