"Most smooth-faced" is an adjective used to describe someone or something with clear, wrinkle-free skin. Antonyms for this phrase would include "wrinkled," "rough," "blemished," "uneven," "textured," or "weathered." These adjectives imply a lack of smoothness or flawless appearance. For example, someone with a wrinkled face may have prominent lines and folds, indicating old age or stress. Similarly, rough or uneven skin may have bumps or acne, making it less smooth. Blemished skin may have spots, scars, or other imperfections, detracting from its smoothness. Overall, the antonyms for "most smooth-faced" describe a range of non-smooth physical characteristics.