The term "more milk-white" can be defined as something that is exceptionally white in color. When it comes to antonyms for this term, words like "dingy," "dirty," "stained," "tarnished," and "discolored" come to mind. These words imply that the object or substance is lacking in its original white color, appearing dull or stained. Other antonyms may include "off-white," "cream," "ivory," or "beige," which suggest a lighter shade of white. Overall, antonyms for "more milk-white" emphasize the contrast of a bleak, unappealing appearance compared to something that appears clean, pure, and white.