The antonyms for the word "arrow-shaped" includes many different shapes and forms: round, square, rectangular, oval, triangular, oblong, crescent, spiral, irregular, and more. These shapes are often found in nature, such as the round shapes of fruits or the triangular forms of mountains. They are also used in art and design, where they can be used to create balance and contrast. The opposite of arrow-shaped can also describe different textures or patterns, such as smooth, rough, soft, or furry. Whatever the context, the antonyms for arrow-shaped allow for a variety of options to suit different needs and preferences.