a wild land overgrown with dense vegetation, often nearly impenetrable, especially tropical vegetation or a tropical rain forest.
a tract of such land.
a wilderness of dense overgrowth; a piece of swampy, thickset forestland.
any confused mass or agglomeration of objects; jumble: a jungle of wrecked automobiles.
something that baffles or perplexes; maze: a jungle of legal double-talk.
a scene of violence and struggle for survival: The neglected prison was a jungle for its inmates.
a place or situation of ruthless competition: the advertising jungle.
Slang. a hobo camp.

1770–80; < Hindi jaṅgal < Pali, Prakrit jaṅgala rough, waterless place

jungled, adjective
underjungle, noun
Dictionary.com Unabridged

Jungle, The

a novel (1906) by Upton Sinclair.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
jungle (ˈdʒʌŋɡəl)
1.  an equatorial forest area with luxuriant vegetation, often almost impenetrable
2.  any dense or tangled thicket or growth
3.  a place of intense competition or ruthless struggle for survival: the concrete jungle
4.  a type of fast electronic dance music, originating in the early 1990s, which combines elements of techno and ragga
5.  slang (US) (esp in the Depression) a gathering place for the unemployed, etc
[C18: from Hindi jangal, from Sanskrit jāngala wilderness]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1776, from Hindi jangal "desert, forest, wasteland, uncultivated ground," from Skt. jangala-s "arid, sparsely grown with trees," of unknown origin. Specific sense of "land overgrown by vegetation in a wild, tangled mass" is first recorded 1849; meaning "place notoriously lawless and violent" is first
recorded 1906, from Upton Sinclair's novel (cf. asphalt jungle, 1949; blackboard jungle, 1954). Jungle gym was a trademark name, 1923, by Junglegym Inc., Chicago, U.S. Jungle bunny, derogatory for "black person," attested from 1966.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Idioms & Phrases


see law of the jungle.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences for jungle
When alex gets to a section of the game with jungle, he is able to kill a snake.
There is also a tower located nearby that contains some jungle wasps.
Typical jungle animals, particularly tigers and leopards, are common in burma.
The village is situated in a mountainous area with jungle surroundings.
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