underground

1. n. The place or space beneath the surface of the ground; subterranean space. Source: opted

2. a. Being below the surface of the ground; as, an underground story or apartment. Source: opted

3. a. Done or occurring out of sight; secret. Source: opted

4. adv. Beneath the surface of the earth. Source: opted

5. adj. under the level of the ground Source: wordnet

6. adj. conducted with or marked by hidden aims or methods Source: wordnet

7. n. a secret group organized to overthrow a government or occupation force Source: wordnet

8. n. an electric railway operating below the surface of the ground (usually in a city) Source: wordnet

9. adv. in or into hiding or secret operation Source: wordnet

10. adv. beneath the surface of the earth Source: wordnet

11. The place or space beneath the surface of the ground; subterranean space. A spirit raised from depth of underground. Shak. 1. Being below the surface of the ground; as, an underground story or apartment. 2. Done or occurring out of sight; secret. [Colloq.] Underground railroad or railway. See under Railroad. Beneath the surface of the earth. Source: webster

12. The place or space beneath the surface of the ground;subterranean space.A spirit raised from depth of underground. Shak. Source: adambom

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