Ancient
Unchanged
Unchanged adjective - Not made or become different.
Ancient and unchanged are semantically related. Sometimes you can use "Ancient" instead an adjective "Unchanged".
Nearby Words: unchanging, unchangeable
Both words in one sentence
- They pride themselves on keeping it "pure" and unchanged over the millennia — so naturally two native speakers are dismayed to find they cannot read a very important set of inscriptions in ancient Kaled'a'in.
Source: Language Drift - It is also inferred in many pseudosciences like astrology and some alternative medicines: that these ancient knowledges and traditions have been around for so long, unchanged, must mean that they are better than modern science!
Source: Older Is Better - And as for knowing how the ancient speakers of the Indo-European languages talked, you need to listen to a Lithuanian villager talking (the Lithuanian language, separated by thousands of miles from Sanskrit, retains nearly identical words for many things, unchanged for millenia.)
Source: Eternal English
Cite this Source
Unchanged and Ancient. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/ancient/unchanged
Ancient & Unchanged. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/ancient/unchanged>.
Unchanged or Ancient. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/ancient/unchanged.
Google Ngram Viewer shows how "ancient" and "unchanged" have occurred on timeline