underground

As an adjective mines

is .

As a proper noun underground is

(uk|rail transport) the london underground.

As a verb mine

is .

As an adjective mine

is mined.

As a proper noun underground is

(uk|rail transport) the london underground.

As a proper noun underground

is (uk|rail transport) the london underground.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As a proper noun underground

is (uk|rail transport) the london underground.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a proper noun underground

is (uk|rail transport) the london underground.

As an adjective undefined is

lacking a definition or value.

As a proper noun underground

is (uk|rail transport) the london underground.

As a verb hiding is

.

As a noun hiding is

(uncountable) a state of concealment or hiding can be (colloquial|countable) a beating or spanking.

As a verb informal

is to inform (to communicate knowledge to others).

As a proper noun underground is

(uk|rail transport) the london underground.

As an adjective natural

is that exists and evolved within the confines of an ecosystem.

As a noun natural

is .

As a proper noun underground is

(uk|rail transport) the london underground.

As adjectives the difference between underground and inground

is that underground is below the ground; below the surface of the Earth while inground is inside the ground.

As an adverb underground

is below the ground.

As a noun underground

is an underground railway.

As a verb underground

is to route electricity distribution cables underground.

As a proper noun Underground

is the London Underground.

As a noun stratosphere

is stratosphere.

As a proper noun underground is

(uk|rail transport) the london underground.