Aeonian
Aeonian adjective - Of or relating to a geological eon (longer than an era).
Mutual synonyms
Cite this Source
Long and Aeonian. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/aeonian/long
Aeonian & Long. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/aeonian/long>.
Long or Aeonian. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/aeonian/long.
Google Ngram Viewer shows how "aeonian" and "long" have occurred on timeline