What is a synonym for "ultra rich"?

Common synonyms include: billionaires.

Ultra rich

adj, noun

adj, noun ·Rare ·Advanced level

Noun

1
Alternative form of ultrarich. alt-of, alternative, uncountable
"She introduced my low-income blue-collar husband into a world the working poor can only read about – the world of the ultra rich."

Adjective

1
Alternative form of ultrarich. alt-of, alternative, not-comparable
"The oil spray core is fed by the oil rushing from the orifice, is "ultra rich," and, there being no oxygen available, it cannot support combustion."

"The oil spray core is fed by the oil rushing from the orifice, is "ultra rich," and, there being no oxygen available, it cannot support combustion."