underground

IPA(Pronunciation)

Adjective

not-comparable figuratively

(not comparable) Below the ground; below the surface of the Earth. / (figuratively) Hidden, furtive, secretive.

Japanese Meaning

地下の、地中の / 隠された、内密な、秘密主義の

The underground museum houses artifacts from the ancient city.

地下の博物館には古代都市の遺物が収蔵されている。

Sense（1）

(not comparable) Below the ground; below the surface of the Earth.

There is an underground tunnel that takes you across the river.

Sense（2）

(figuratively) Hidden, furtive, secretive.

These criminals operate through an underground network.

Sense（3）

(Of music, art &c.) Outside the mainstream, especially unofficial and hidden from the authorities.

underground music

more underground

（ comparative ）

most underground

（ superlative ）