People who have many millions of dollars.
Being multimillionaires means having a lot of money, which can be seen as both good and bad.
Examples:
The multimillionaires own big houses and fancy cars.
Many famous actors and singers are multimillionaires.
The multimillionaires give a lot of money to help people.
The multimillionaires buy a whole island.
Some multimillionaires have so much money, they don't know what to do with it all.
The multimillionaires are so rich, they can buy anything they want.