Longman Dictionary of Contemporary English homepage

underground

1 adjective
     
un‧der‧ground1
1 below the surface of the earth:
an underground passage
The car park is underground.
2 [only before noun] an underground group, organization etc is secret and illegal:
an underground terrorist organization
3 [only before noun] underground literature, newspapers etc are read by a small number of people, and would seem slightly strange or shocking to most people:
the underground press
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary