Longstanding and Unmodified

Longstanding

Longstanding adjective - Having existed for a long time.

Unmodified and longstanding are semantically related. In some cases you can use "Unmodified" instead an adjective "Longstanding".

Unmodified

Unmodified adjective - Not changed in form or character.

Longstanding and unmodified are semantically related. Sometimes you can use "Longstanding" instead an adjective "Unmodified".
Cite this Source
Unmodified and Longstanding. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/longstanding/unmodified
Longstanding & Unmodified. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/longstanding/unmodified>.
Unmodified or Longstanding. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/longstanding/unmodified.
Google Ngram Viewer shows how "longstanding" and "unmodified" have occurred on timeline