Underground route
Underground railroad and underground route are semantically related In some cases you can replace phrase "Underground railroad" with "Underground route", this phrases are similar.
Underground railroad
Underground railroad noun - Secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil War.
Show all Definitions
Synonyms for Underground railroad
Underground route and underground railroad are semantically related in secret cooperative network topic. You can use "Underground route" instead a noun phrase "Underground railroad".
Mutual synonyms
Cite this Source
Underground railroad and Underground route. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/underground_route/underground_railroad
Underground route & Underground railroad. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/underground_route/underground_railroad>.
Underground railroad or Underground route. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/underground_route/underground_railroad.
Google Ngram Viewer shows how "underground route" and "underground railroad" have occurred on timeline