Curviform is an adjective that describes something having a curved or bendy shape. There are many synonyms for this word, including curvy, undulating, sinuous, meandering, serpentine, winding, tortuous, twisting, bending, and arcing. Each of these words paints a different picture of the shape being described, from the gentle curves of a rolling landscape to the dramatic twists and turns of a winding river. By using these synonyms, a writer can add depth and nuance to their description, helping to engage their readers and create a more vivid and immersive experience.