Longstanding
Longstanding adjective - Having existed for a long time.
Protensive and longstanding are semantically related. In some cases you can use "Protensive" instead an adjective "Longstanding".
Protensive
Longstanding and protensive are semantically related. You can use "Longstanding" instead an adjective "Protensive".
Mutual synonyms
Cite this Source
Protensive and Longstanding. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/longstanding/protensive
Longstanding & Protensive. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/longstanding/protensive>.
Protensive or Longstanding. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/longstanding/protensive.
Google Ngram Viewer shows how "longstanding" and "protensive" have occurred on timeline