Underground Synonyms & Definitions

Synonyms are words that have the same or almost the same meaning and the definition is the detailed explanation of the word. This page will help you out finding the Definition & Synonyms of hundreds of words mentioned on this page. Check out the page and learn more about the English vocabulary.

• UndergroundDefinition & Meaning in English

1. (n.) The place or space beneath the surface of the ground; subterranean space.
2. (a.) Being below the surface of the ground; as, an underground story or apartment.
3. (adv.) Beneath the surface of the earth.
4. (a.) Done or occurring out of sight; secret.

• Underground insuranceDefinition & Meaning in English

1. () Wildcat insurance.