Ancient
Ancient adjective - Dating or surviving from the distant past.
Longstanding and ancient are semantically related. In some cases you can replace term "Longstanding" with "Ancient", this adjectives are similar.
Nearby Word: anciently
Longstanding
Longstanding adjective - Having existed for a long time.
Ancient and longstanding are semantically related. Sometimes you can use "Ancient" instead an adjective "Longstanding".
Mutual synonyms
Cite this Source
Longstanding and Ancient. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/ancient/longstanding
Ancient & Longstanding. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/ancient/longstanding>.
Longstanding or Ancient. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/ancient/longstanding.
Google Ngram Viewer shows how "ancient" and "longstanding" have occurred on timeline