Catawampus is a word that means askew or crooked, but it's not often used in everyday conversation. However, if you are looking for antonyms to describe something that is straight or upright, there are plenty of options to choose from. Some good antonyms for catawampus could be orderly, neat, straight, symmetrical, level, upright, straightened or perpendicular. These words can help you convey a sense of structure and tidiness, which is the opposite of the chaos that catawampus represents. Regardless of how you choose to describe something, having a wide range of vocabulary options is always useful for conveying your ideas clearly and concisely.