Arch
Arch adjective - Coming before all others in importance.
Usage example: since the start of her acting career her parents have steadfastly remained her arch supporters
Illustrious and arch are semantically related. In some cases you can use "Illustrious" instead an adjective "Arch".
Illustrious
Illustrious adjective - Standing above others in rank, importance, or achievement.
Arch and illustrious are semantically related. Sometimes you can use "Arch" instead an adjective "Illustrious".
Nearby Word: illustration
Cite this Source
Illustrious and Arch. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/arch/illustrious
Arch & Illustrious. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/arch/illustrious>.
Illustrious or Arch. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/arch/illustrious.
Google Ngram Viewer shows how "arch" and "illustrious" have occurred on timeline