Cuneated is an unusual and somewhat obscure word, meaning "shaped like a wedge." When discussing such wedge-shaped objects, it may be useful to have a few synonyms on hand to help describe the nuances of their shape. One possible alternative is "cuneiform," which comes from the Latin word for wedge and also describes a type of ancient writing using wedge-shaped symbols. Another option could be "wedge-shaped" itself, which is a straightforward and easily understood description. If you want to get a bit more fanciful, you might try phrases like "V-shaped," "triangular," or "tapering toward the point." Ultimately, the best synonym will depend on the context and the image you are trying to convey.