big money noun 2adjective 1 noun2 •(informal) A large amount of money, especially a significant source of revenue or income.When people see puppies going for the cost of vaccinations at animal shelters, and then hear about ones that sell for $500, they think big money is to be had in dog breeding. — 2011 •(informal) Large corporations, the people who run them, or corporate interest generally, seen as exerting political influence and prioritising profits over other political concerns.The political triumph of Donald Trump shattered the establishments in the Democratic and Republican parties – both wedded to the rule of Big Money and to the reign of meretricious politicians. — 2016 adjective1 •(informal) Involving or transacting a large amount of money.Unless their candidates can amass a considerable campaign chest, one assumed to come from big money donors, they do not stand a chance of winning. — 1997
