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
First is a synonym for arch in position topic. In some cases you can use "First" instead an adjective "Arch", when it comes to topics like principal.
First
First adjective - Coming before all others in importance.
Usage example: there are a number of reasons we can't go, but the first is that we don't have the money
Arch is a synonym for first in highest in importance topic. Sometimes you can use "Arch" instead an adjective "First".
Nearby Word: firstly
Mutual synonyms
How words are described
Cite this Source
First and Arch. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/arch/first
Arch & First. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/arch/first>.
First or Arch. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/arch/first.
Google Ngram Viewer shows how "arch" and "first" have occurred on timeline