xxv
xxv is a Roman numeral for one exact value: 25, or twenty-five. You may meet it not as an ordinary word in conversation, but as a formal label in places like chapter numbers, volume numbering, editions, scores, or dates. This lesson looks at a useful nuance: how xxv can act like an adjective when it marks a quantity, and like a noun when it names the number itself. We’ll also connect it to 25, twenty-five, XXIV, and XXVI so the pattern is easier to recognize. Watch the full lesson to learn how to read and use xxv with confidence.