Arrondi is a French word that refers to something that is round or curved. When we examine the antonyms for this word, we find words that indicate the opposite of being round or curved. Some of the antonyms of arrondi are straight, angular, sharp, edged, jagged, and pointed. For instance, if we were to say that the edges of the table are not arrondi, we mean that they are not curved or round. Similarly, a sharp corner of a box can be considered as an antonym of arrondi. In conclusion, antonyms of arrondi are commonly used to describe objects or things that lack the smooth and curved characteristics of an arrondi shape.