In crowds
Main line and in crowds are semantically related. in high-class persons topic. In some cases you can use "Main line" instead a noun phrase "In crowds".
Main line
Main line noun - The principal route of a transportation system.
Mutual synonyms
Related pairs
Cite this Source
Main line and In crowds. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/in_crowds/main_line
In crowds & Main line. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/in_crowds/main_line>.
Main line or In crowds. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/in_crowds/main_line.
Google Ngram Viewer shows how "in crowds" and "main line" have occurred on timeline