From Longman Dictionary of Contemporary Englishjunglejun‧gle /ˈdʒʌŋɡəl/ ●●○ noun 1 [countable, uncountable]TAFDN a thick tropical forest with many large plants growing very close together the Amazon jungle► see thesaurus at forest2 [singular]COMPETE WITH/TRY TO BEAT a situation in which it is difficult to become successful or get what you want, especially because a lot of people are competing with each other the media jungle3 [singular]UNTIDY something that is very untidy, complicated, or confusingjungle of a jungle of freeways and highways4 [uncountable] a type of very fast dance music → concrete jungle, → law of the jungle at law(8)
Examples from the Corpus
jungle• I don't see New York as some awful jungle.From Longman Business Dictionaryjunglejun‧gle /ˈdʒʌŋgəl/ noun [singular] a situation in which a lot of people or businesses are competing with each other in a very determined wayWithout the free publicity, the firm would be lost in the jungle of TV advertising.Origin jungle (1700-1800) Hindi jangal “forest”, from Sanskrit jangala 