Definition of umlungu in English:

umlungu

Pronunciation /ʊmˈlʊnɡuː/

noun

(also uMlungu)
derogatory, ironic South African
  • 1= mlungu . Now somewhat offensive, especially as a form of address.

  • 2With singular agreement. White people collectively.

adjective

(also uMlungu)
derogatory, ironic, rare South African
  • Of a person: white. Compare mlungu .

Origin

Mid 19th century. From Xhosa and Zulu umlungu.