Passageway
Passageway noun - A typically long narrow way connecting parts of a building.
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Synonyms for Passageway
Underground tunnel and passageway are semantically related. In some cases you can use "Underground tunnel" instead a noun "Passageway".
Nearby Word: passage
Underground tunnel
Passageway and underground tunnel are semantically related. You can use "Passageway" instead a noun phrase "Underground tunnel".
Mutual synonyms
Cite this Source
Underground tunnel and Passageway. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/passageway/underground_tunnel
Passageway & Underground tunnel. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/passageway/underground_tunnel>.
Underground tunnel or Passageway. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/passageway/underground_tunnel.
Google Ngram Viewer shows how "passageway" and "underground tunnel" have occurred on timeline