Definition of concrete jungle Concrete jungle

We found 2 definitions of concrete jungle from 2 different sources.

What does concrete jungle mean?

Noun
concrete jungle - an area in a city with large modern buildings that is perceived as dangerous and unpleasant
		jungle an impenetrable equatorial forest
		urban center, metropolis, city people living in a large densely populated municipality; "the city voted for Republicans in 1994"

= synonym
= antonym
= related word

concrete jungle (Noun)
An urban or other populated area containing a high density of buildings constructed of concrete or similar materials, especially one which lacks greenery and which seems unattractive, harsh, or unsafe.