Rare
Rare adjective - Having low density.
Usage example: rare gasses
Rarefied is a synonym for rare in exceptional topic. In some cases you can use "Rarefied" instead an adjective "Rare", when it comes to topics like tighten. popular alternative
Rarefied
Mutual synonyms
Cite this Source
Rarefied and Rare. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/rare/rarefied
Rare & Rarefied. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/rare/rarefied>.
Rarefied or Rare. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/rare/rarefied.
Google Ngram Viewer shows how "rare" and "rarefied" have occurred on timeline