Main
Main adjective - Coming before all others in importance.
Uppermost
Uppermost adjective - Being at a point or level higher than all others.
Main is a synonym for uppermost in chief topic. Sometimes you can use "Main" instead an adjective "Uppermost", if it concerns topics such as predominant.
Mutual synonyms
Cite this Source
Uppermost and Main. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/main/uppermost
Main & Uppermost. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/main/uppermost>.
Uppermost or Main. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/main/uppermost.
Google Ngram Viewer shows how "main" and "uppermost" have occurred on timeline