jungle jungle /ˈdʒʌŋgəl/

noun

1. An impenetrable equatorial forest  ( jungle )
   an impenetrable equatorial forest
    The dense jungle was teeming with wildlife and undiscovered mysteries.
   The dense jungle was teeming with wildlife and undiscovered mysteries.
   
   
2. A place where hoboes camp  ( hobo camp , jungle )
   a place where hoboes camp
   
3. A location marked by an intense competition and struggle for survival  ( jungle )
   a location marked by an intense competition and struggle for survival