xxviii adj 1: being eight more than twenty [syn: {twenty-eight}, {28}, {xxviii}] n 1: the cardinal number that is the sum of twenty-seven and one [syn: {twenty-eight}, {28}, {XXVIII}]
xxviii \xxviii\, adj. The Roman number representing {twenty-eight}. Syn: twenty-eight, 28. [WordNet 1.5]