When something is not appropriate or convenient to do at the present moment, it can be described as an unsuitable time. There are many synonyms for this phrase, including inappropriate time, inconvenient time, unfeasible time, inopportune time, and impractical time. Each of these phrases conveys the idea that something is not fitting for the current moment or circumstances, whether due to external factors or personal reasons. It is important to be mindful of these synonyms and use them appropriately when communicating, as they can help to convey a more specific and nuanced meaning in a given situation.