/ˈʌndəɡraʊnd/

New to these symbols? How to read English IPA
Line drawing of underground
Coloured illustration of underground
#2,395 of 3,000Core 5000

Meaning

Under the surface of the ground; in Britain, the Underground is the train system under a city.

Test yourself on underground

Three quick questions. No account needed.

Know this word? Create a free account to track it.

Word origin

An English compound of under and ground, describing anything below the surface of the earth.

Origin
English
Root
under + ground

Examples

.

Here "underground" means below the surface of the ground.

.

As an adjective, "underground" describes things built or living under the ground.

London.

With a capital letter, "the Underground" is the London train system under the city.

Where this fits

Add to review queue

Track this word in your spaced-repetition queue and be tested on it at the right interval.

Chapters 1 and 2 free

Meet this word in a story

Every course has graded stories written only with words you have been taught, plus grammar drills, a games arcade and printable worksheets. Chapters 1 and 2 are free.

Chapters 1 and 2 free, forever. Plus: 7 days free, then $5 a month for all eleven languages.

Start learning free

English · Free printables

underground: worksheet, infographic and listicle

Free printable study downloads for the English word "underground" (Under the surface of the ground; in Britain, the Underground is the train system under a city.): a worksheet with the answer key built in, an infographic, and a sentence listicle. Open any one to view, print or save.

Free for members

The printable worksheets, infographics and PDFs are free with an account. Start a free week and download as many as you like.

Start your free week

This word is taught in chapter 26, lesson 12: underground, generous, jungle and 5 more words.