0 a person who has money and property worth several million dollars, pounds, euros, etc. --
1 someone who has several million dollars, pounds, euros, etc.: --
a multimillionaire businessman/entrepreneur/developer
The dotcom phenomenon made multimillionaires of many internet entrepreneurs.
A former school teacher, he is now a multi-millionaire.
Heckscher eventually became a multimillionaire and a philanthropist.
However, woe betide anyone who gets in the way of their dream of becoming multi-millionaires.
The fortune-teller prophesies that the fertile husband will be a multi-millionaire, but that the sterile gendarme will die in abject poverty.
The man is a multimillionaire.
He said that proportionately we may not have as many multimillionaires but that he thought we had as many millionaires, which was rather an interesting thing to hear.
People will not become multimillionaires.
I do not mind the millionaire or the multimillionaire eating hundreds of loaves of bread.