234 Synonyms for Underground: subway, tube

underground (234 synonym found)

Underground has 234 synonyms. The top synonyms for underground are subway, tube, metro, monorail, elevated, el, secret, funicular and 226 more. Another word for underground is subway. Browse the full list below.

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rack-and-pinion railroad

gravity-operated railway

rack-and-pinion railway

agreement to disagree

Frequently asked questions

What is a synonym for underground?

A common synonym for underground is subway. Other synonyms include tube, metro, monorail, elevated.

How many synonyms does underground have?

Underground has 234 synonyms listed on Thesaurasize.

What does underground mean?

(adj): below the ground; below the surface of the Earth; hidden, furtive, secretive Example: "there is an underground tunnel that takes you across the river." (v): below the ground; secretly Example:

Definition of underground:

(adj) : below the ground; below the surface of the Earth; hidden, furtive, secretive

"there is an underground tunnel that takes you across the river."

(v) : below the ground; secretly

"the tunnel goes underground at this point."

(n) : an underground railway; (with the) A movement or organisation of people who resist political convention

History
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