| Sexed | a. Belonging to sex; having sex; distinctively male of female; |
| Sexenary | a. Proceeding by sixes; sextuple; -- applied especially to a system of arithmetical computation in which the base is six. [ 1913 Webster ] |
| Sexennial | a. [ L. sexennium a period of six years, sexennis of six years; sex six + annus a year. See Six, and Annual. ] Lasting six years, or happening once in six years. -- |
| Sexennially | adv. Once in six years. [ 1913 Webster ] |