Spear-shaped means something that is pointed and narrow at one end. Some synonyms for spear-shaped include pointed, tapering, acute, lanceolate, and wedge-shaped. These words are commonly used to describe objects or shapes that resemble a spearhead, such as leaves, rocks, and weapons. The word pointed gives the sense of sharpness, while tapering indicates a gradual decrease in width. Acute refers to an angle of less than 90 degrees which is also associated with a sharp point. Lanceolate refers to a leaf shape that is long and pointed with the narrowest point at the base. Wedge-shaped describes something that is wide at one end and narrow at the other, resembling the shape of a wedge or a triangular prism.