The term "most sawtooth" refers to a condition or an object that has a highly irregular or uneven edge, like the teeth of a saw. The antonyms for the phrase "most sawtooth" are those that denote smoothness, regularity, or uniformity. Some of the antonyms for "most sawtooth" include polished, sleek, smooth, flat, refined, level, even, and straight. These terms refer to objects or conditions that are free of bumps, ridges, or other unevenness. While "most sawtooth" may connote jaggedness, ruggedness or sharpness, its antonyms speak of grace, elegance, and simplicity.