Synonyms and Antonyms for underground-railway

1. Underground Railway (n.)

secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil War


2. underground (adj.)

under the level of the ground

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3. underground (n.)

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

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4. underground (adj.)

conducted with or marked by hidden aims or methods

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5. underground (n.)

a secret group organized to overthrow a government or occupation force

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7. railway (n.)

line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight

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