When describing the shape of a sickle, there are many other words to choose from to convey the same idea. Some synonyms for "sickle-like" include crescent-shaped, arcuate, scythe-like, hooked, and falcate. Additionally, words like curving, curvy, bending, and arched can describe the overall shape of the tool. It's important to choose the right synonym based on the context of the piece, as some may suggest a more aggressive or dangerous tool than others. Regardless of the synonym used, all describe the characteristic curve of a sickle blade.