Oxygonal refers to a polygon with sharp angles or edges. Synonyms for oxygonal include angular, pointed, jagged, acute, or cornered, as they all describe shapes or objects with distinct angles. Other synonyms for oxygonal are crisp, sudden, abrupt, or surly, as they also convey a sense of sharpness or abruptness. In geometry, a figure with an oxygonal shape may be referred to as polygonal, so this can also be considered a synonym. Whether used to describe a piece of architecture, a rock formation, or an object with a sharp edge, synonyms for oxygonal can also evoke a sense of precision, clarity or forcefulness.