Berms are small hills or raised mounds of earth that are typically used in landscaping, erosion control, or construction projects. Antonyms are words that are opposite in meaning to a particular word. For the word Berms, some of its antonyms include valleys, ditches, depressions, concavities, hollows, and basins. These words refer to low-lying areas of land that are the opposite of Berms. While Berms are constructed to create elevation, valleys and depressions indicate a dip or lowering of the land's surface. Ditches and basins, on the other hand, collectively suggest an excavated or artificially dug-out space in the ground.