Summary: Prefixes are key morphemes in English vocabulary that begin words. The English prefix *post-* means "after." Examples using this prefix include [*post*]game and [*post*]season. An easy way to remember that the prefix *post-* means "after" is through the word [*post*]pone, for when you [*post*]pone something, you put it on your agenda to do "after" the current time.
