A more thorough explanation:

Definition: Antenuptial means the same thing as prenuptial. It is an adjective used to describe something that happens or exists before a marriage.

Example: An antenuptial agreement is a legal document that a couple signs before they get married. It outlines how they will divide their assets and debts if they ever get divorced.

Explanation: The example illustrates the definition because it shows how an antenuptial agreement is something that happens before a marriage. It is a way for a couple to plan ahead and protect their individual assets in case their marriage doesn't work out.