Curvedly is an adverb that describes something that is done or shaped in a curved manner. However, there are several other words that can be used instead of curvedly depending on the context. These include words like archly, sweepingly, gracefully, sinuously, meanderingly, undulatingly, and serpentine. Each of these words has a unique connotation and can be used to add depth and variety to your writing. For example, "the river meandered through the valley" has a different tone than "the river undulated through the valley." Experimenting with different synonyms can help make your writing more diverse and engaging for the reader.