The absence of difficulty can be referred to in a variety of ways, depending on the context. Some synonyms for this phrase might include words such as ease, simplicity, uncomplicated, straightforward, effortless, straightforwardness, and plain sailing. These terms all suggest that something is easy to accomplish or that there is little or no challenge involved. They can be used to describe everyday tasks such as cooking a meal or completing a simple project, as well as more complex endeavors such as writing a book or navigating a difficult situation. Overall, there are many ways to describe the absence of difficulty, and each of these terms can be used to represent this concept in different situations.