The phrase "more antic" refers to something that is characterized by odd or whimsical behavior or wild and frolicsome hilarity. Its antonyms, or words with opposite meanings, could include words like serious, grave, or sober. These words suggest a lack of levity or playfulness, and instead imply a more restrained or somber demeanor. Other antonyms for "more antic" might include conventional, traditional, or orthodox, as these words imply conformity and adherence to established norms rather than eccentricity or unpredictability. Whatever the context, identifying the antonyms of a given word can help provide a more comprehensive understanding of its meaning and implications.