King sizes refer to large or extra-large sizes. Synonyms for king sizes include oversize, jumbo, gigantic, extra-large, large, big, massive, tremendous, huge, mammoth, colossal, and enormous. These synonyms are often used to describe clothing, bedding, or furniture that is larger than the standard size. For instance, a king-size bed is larger than a queen-size bed, and a king-size shirt is bigger than a standard size shirt. These synonyms can also be used to describe things that are superior or better than the average, such as a king-sized performance or a king-sized meal. Ultimately, king sizes are associated with grandeur and excellence in size or quality.