The word "more miniscule" implies something incredibly small or tiny. There are several synonyms to describe such a minute object or idea. One synonym is microscopic, which refers to anything that is so small that it cannot be seen without the aid of a microscope. Another possible synonym is infinitesimal, which denotes something that is extremely small or negligible. Additionally, we can use the word "nano" to describe something more miniscule, such as a nano-particle or a nanosecond. We can also use tiny, or miniature to describe something that is small and delicate. Overall, there are several synonyms we can use to describe something that is "more miniscule".