Wiktionary
n. A person with a net worth of multiple billions, typically measured in US dollars.
Usage examples of "multibillionaire".
A self-made multibillionaire in the gray world of international technology resale, Farmer had legions of people sweating with eagerness to take care of his business for him.
Farmer is a multibillionaire who is slavering to get a foothold in a market that holds one-quarter of the worlds population.
So we have in this summer of 1996, rerun or not, and as always, faithless custodians of capital making themselves multimillionaires and multibillionaires, while playing beanbag with money better spent on creating meaningful jobs and training people to fill them, and raising our young and retiring our old in surroundings of respect and safety.
They were all gathered here today— all of the original investors—fifty of the most important men in the North American Above, multibillionaires every one of them.
Already there were urban myths of Caribbean and Asian clinics offering the rejuvenation service to multibillionaires.