Wiktionary
n. (context idiomatic English) A city or urban area, where the landscape is covered by pavement and the environment is alienate and unsafe.
Usage examples of "asphalt jungle".
She was being held aloft by a total stranger, swinging through the asphalt jungle as if it were a regular jungle and he was making his way on vines.
He thought he had found a tactful way to get rid of George when he read in Stars & Stripes that a John Huston film, The Asphalt Jungle, starring Sterling Hayden and Louis Calhern, was playing at the Ernie Pyle Theater.
Stripes that a John Huston film, The Asphalt Jungle, starring Sterling Hayden and Louis Calhern, was playing at the Ernie Pyle Theater.
Posters from The Wild Bunch and The Asphalt Jungle and The Magnificent Seven hung along one wall and an old Webcor candy machine from the forties sat against the opposite wall between a Wurlitzer Model 800 Bubble-Lite jukebox and a video game called Kill or Be Killed!
Army units must be oriented and trained to know the cement-and-asphalt jungle of every American city.