Definition of subworld in US English:

subworld

noun

  • A world which is part of a larger world; especially (in later use) a particular community or sphere of activity within a larger one (sometimes with negative connotations).

Origin

Late 19th century; earliest use found in Rasmus Björn Anderson (1846–1936). From sub- + world.

Pronunciation

subworld

/sʌbˈwəːld/