Synonyms for underground

Other words for “underground”, grouped by meaning.

We found 16 synonyms for “underground”. The most common are resistance, metro, tube, subway system, subway.

noun a secret group organized to overthrow a government or occupation force

noun an electric railway operating below the surface of the ground (usually in a city)

adjective under the level of the ground

adjective conducted with or marked by hidden aims or methods

Similarcovert

Source: WordNet 3.1, Princeton University

More about “underground”