Definition of demi-monde in English:

demi-monde

noun

  • 1(in 19th-century France) a class of women considered to be of doubtful social standing and morality.

    • ‘Whereas upper-class prostitutes of the demi-monde were involved in sexual liaisons outside marriage in order to gain influence and social advantage, most whores were regarded as social lepers.’
    1. 1.1 A group of people on the fringes of respectable society.
      ‘the demi-monde of arms deals’
      • ‘In this opening section he does a good job of introducing the reader to the demimonde of pulp writers and how the industry that published them worked.’

Origin

French, literally ‘half-world’.

Pronunciation

demi-monde

/ˌdɛmɪˈmɒnd//dəmimɔ̃d/