Definition of Monopoly money in English:

Monopoly money

Pronunciation /məˈnäpəlē ˌmənē/ /məˈnɑpəli ˌməni/

Translate Monopoly money into Spanish

noun

informal
  • Money regarded as having no real existence or value.

    • ‘the Monopoly money we'd won playing Internet stocks while dot-com fever swept the nation’

Origin

From the imitation money used in the game of Monopoly (see monopoly (sense 2)).