Outcurve is a word that describes a type of curve or bend that is angled outward. Some synonyms for outcurve include convex, bulge, protrusion, swelling, bump, hump, arch, and curve outward. These words all convey the same idea of a curve that bows outward rather than inward. The choice of synonym can depend on the context in which the word is being used, as well as the level of emphasis or detail you wish to convey. Whatever the synonym used, it is clear that an outcurve is a distinctive type of curve that adds an interesting visual and tactile dimension to any object or surface.