Main line and Upper class

Main line

Main line noun - The principal route of a transportation system.

Upper class and main line are semantically related. in society topic. In some cases you can use "Upper class" instead a noun phrase "Main line", when it comes to topics like high-class persons.

Upper class

Upper class noun - The highest class in a society.

Main line and upper class are semantically related. Sometimes you can use "Main line" instead a noun phrase "Upper class".
Cite this Source
Upper class and Main line. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/main_line/upper_class
Main line & Upper class. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/main_line/upper_class>.
Upper class or Main line. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/main_line/upper_class.
Google Ngram Viewer shows how "main line" and "upper class" have occurred on timeline