The word "oversensitivenesses" is quite lengthy and cumbersome to use in conversation or writing. However, there are numerous synonyms that can be used instead of this word to convey the same meaning. Some of these include hypersensitivity, touchiness, hyper-reactivity, excessive emotionality, vulnerability, and fragility. Each of these words describes a state of heightened sensitivity or emotional reactivity, and can be used interchangeably with "oversensitivenesses" without losing the essential meaning of the word. By using these synonyms, one can add variety and clarity to their writing while still communicating the intended message effectively.