When it comes to describing the feeling of hanging suspense, there are a few synonyms that can be used depending on the context. One possibility is "dangling uncertainty," which suggests a sense of unresolved tension that is waiting to be resolved. Another option is "lingering anticipation," which highlights the feeling of waiting and expecting something to happen. Yet another synonym is "taut expectation," which conveys a tightness or tension that is building up as events unfold. Overall, these synonyms all share the sense of something important or unexpected hanging in the balance, creating a feeling of excitement and suspense until the resolution is finally revealed.