Definitions:

1. a location marked by an intense competition and struggle for survival noun
   • The stock market is a jungle.
2. a place where hoboes camp noun
   • I prefer the jungle on the east side of town.
3. a style of dance music that fuses elements of hip-hop, hardcore, and ragga, consisting almost exclusively of very fast electronic drum tracks and slower synthesized bass lines noun
   • I danced to jungle all night in Berlin.
4. an impenetrable equatorial forest noun
   • This jungle is thick with insects and deadly snakes.

Synonyms:

• hobo camp