Aeonian
Aeonian adjective - Of or relating to a geological eon (longer than an era).
In progress and aeonian are semantically related. In some cases you can use "In progress" instead an adjective "Aeonian".
In progress
Aeonian and in progress are semantically related. Sometimes you can use "Aeonian" instead an adjective phrase "In progress".
Mutual synonyms
Cite this Source
In progress and Aeonian. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/aeonian/in_progress
Aeonian & In progress. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/aeonian/in_progress>.
In progress or Aeonian. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/aeonian/in_progress.
Google Ngram Viewer shows how "aeonian" and "in progress" have occurred on timeline