The antonyms for the word "more pintsized" are "larger," "bigger," and "greater." These words indicate a larger size than the word "pintsized" implies, which refers to something small in size or stature. When describing people, "taller," "bigger-framed," or "heftier" may be used as antonyms for "more pintsized." For objects, "larger," "expansive," or "bigger-sized" are suitable antonyms. In general, antonyms for "more pintsized" indicate a larger size, whether it be physical or metaphorical, and can be applied to various contexts such as proportions, dimensions, or volume.