Most illustrious
Prime and most illustrious are semantically related. In some cases you can use "Prime" instead an adjective phrase "Most illustrious".
Prime
Prime adjective - Highest in rank or authority.
Most illustrious and prime are semantically related. You can use "Most illustrious" instead an adjective "Prime".
Cite this Source
Prime and Most illustrious. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/most_illustrious/prime
Most illustrious & Prime. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/most_illustrious/prime>.
Prime or Most illustrious. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/most_illustrious/prime.
Google Ngram Viewer shows how "most illustrious" and "prime" have occurred on timeline