The phrase "mess half" can be expressed in a number of different ways, depending on the context and the writer's desired emphasis. Some synonyms that might be used include "disarrayed," "chaotic," "disorganized," "jumbled," "haphazard," "untidy," "incomplete," "half-finished," "shoddy," or "neglected." Each of these terms conveys a slightly different tone or nuance, ranging from the sense of a space being cluttered or untidy to a project that has been left unfinished or poorly executed. By choosing the right synonym for the situation, a skilled writer can help to communicate their intended meaning more effectively and eloquently.