Funnel-shaped refers to a shape that is wide at one end and narrow at the other end, resembling a funnel. Its antonyms can refer to shapes that are opposite in form or direction. Some possible antonyms for funnel-shaped include "cylindrical," "circular," "convex," "bulbous," "spherical," "conical," "tapering," or "pyramidal." These shapes may include round objects, objects with curved edges, or objects that widen as they go up instead of narrowing. Funnel-shaped objects can be commonly found in nature, such as flowers, shells, and tornadoes. Antonyms for funnel-shaped objects could include pine trees, fruits like balls, or buildings with a circular base.