Serpentinely is an adverb that means in a winding or twisting manner. There are several synonyms for this word that you could potentially use including sinuously, meanderingly, curvingly, snakily, and windingly. Each of these words conveys a slightly different sense of the twisting or winding nature of an object or movement. For example, sinuously evokes a sense of fluidity and grace, while snakily may suggest something more sinister or dangerous. Regardless of which synonym you choose to use, each one can add nuance and depth to your writing by conveying a specific tone or mood.