What 5 can mean is an expression that can be interpreted in many ways. The crossword solution for this term is MAY, which is a three-letter word. In this context, MAY can refer to the month of MAY, which is the fifth month of the year in the Gregorian calendar. It can also refer to the verb 'MAY, ' which is used to express possibility or permission. Additionally, it can refer to the name MAY, which is a popular female given name.