Gazillionaire vs. Millionaire

One having an immense, incalculable amount of wealth.

A person whose wealth amounts to at least a million dollars, pounds, or the equivalent in other currency.

(humorous) An incredibly rich person.

(strictly) A person whose net worth is at or greater than one million units of the local currency, but less than two million.

(loosely) A person whose net worth is at or greater than one million units of the local currency; a multimillionaire.

One whose wealth is counted by millions of francs, dollars, or pounds; a very rich person; a person worth a million or more.

A person whose material wealth is valued at more than a million dollars