Fixed
Fixed adjective - Having been established and usually not subject to change.
Immemorial and fixed are semantically related In some cases you can use "Immemorial" instead an adjective "Fixed".
Immemorial
Immemorial adjective - Dating or surviving from the distant past.
Fixed and immemorial are semantically related in ancient topic. Sometimes you can use "Fixed" instead an adjective "Immemorial", if it concerns topics such as age-old.
Mutual synonyms
Cite this Source
Immemorial and Fixed. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/fixed/immemorial
Fixed & Immemorial. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/fixed/immemorial>.
Immemorial or Fixed. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/fixed/immemorial.
Google Ngram Viewer shows how "fixed" and "immemorial" have occurred on timeline