Definition of mumbo-jumboism in English:

mumbo-jumboism

noun

  • Worship of a mumbo-jumbo; belief in or use of mumbo-jumbo.

Origin

Late 19th century. From mumbo-jumbo + -ism.

Pronunciation

mumbo-jumboism

/ˌmʌmbəʊˈdʒʌmbəʊɪz(ə)m/