Hissings are generally regarded as a negative sound or action, but there are various synonyms that could be used to convey this idea in a different way. These synonyms include words like whisper, murmur, sibilance, rustle, swish, shush, and whoosh. Each of these words has a slightly different connotation and usage, but they all relate to the idea of a low, hissing sound. Whether you're looking for a more subtle or expressive way to describe this sound, these synonyms can help you find the perfect fit for your writing or speaking needs.