Advertisement
Vocabulary Entry
underground
|noun • adjective • verb
Advertisement
N
noun
A system of underground trains or the area beneath the ground.
Example Sentences
"The underground is a fast way to travel across the city."
"She took the underground to work every day."
"The band gained fame in the underground music scene."
A
adjective
Located, done, or existing below the surface of the ground.
Example Sentences
"The underground reservoir supplies water to the nearby farms."
"They discovered an underground cave during their hike."
"The mushroom had an underground root system that spread wide."
V
verb
To hide or keep something from public knowledge.
Example Sentences
"They decided to underground their plans until the project was ready."
"The government chose to underground the details of the investigation."
"He undergrounded his true feelings about the situation."