(derogatory) New money; wealthy persons whose fortunes are newly acquired, and who are therefore perceived to lack the refinement of those who were raised wealthy.

Newly rich; like a nouveau riche.

(slang) Exhibiting flamboyant spending habits, while doing nothing to improve one’s living conditions.

(idiomatic) Very rich (wealthy).

(idiomatic, offensive, ethnic slur, of a person) Living ostentatiously; spending money recklessly, especially a limited supply of money.

(physics, of a nucleus or isotope) Having a large ratio of neutrons to protons

(poetry) A form of rhyme with identical sounds, as in "pear" and "pair".

Alternative spelling of nickel-rich

(of an ore, alloy, or metal object) Rich in nickel: having a high proportion of nickel content.

Alternative form of superrich