Fifth column
Fifth column noun - A subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst.
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Synonyms for Fifth column
Subway and fifth column are semantically related. In some cases you can use "Subway" instead a noun phrase "Fifth column".
Subway
Subway noun - An electric railway operating below the surface of the ground (usually in a city).
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Synonyms for Subway
Fifth column and subway are semantically related. Sometimes you can use "Fifth column" instead a noun "Subway".
Mutual synonyms
Cite this Source
Subway and Fifth column. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/fifth_column/subway
Fifth column & Subway. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/fifth_column/subway>.
Subway or Fifth column. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/fifth_column/subway.
Google Ngram Viewer shows how "fifth column" and "subway" have occurred on timeline