top note – The highest in a piece of music or in a singer’s vocal range. More…
paramount, tantamount – Paramount means “primary, top,” and tantamount means “equivalent to, same as”; paramount first meant “highest in jurisdiction.” More…
prime – Unusual since it can have virtually opposite meanings: “preliminary, basic” or “lowest”—as well as “finest” and “highest.” More…
supreme – Ultimately from Latin supra, “above,” which begat supremus, “highest.” More…