Longstanding
Longstanding adjective - Having existed for a long time.
Routine and longstanding are semantically related. in incessant topic. In some cases you can use "Routine" instead an adjective "Longstanding", when it comes to topics like chronic.
Routine
Routine adjective - Being of the type that is encountered in the normal course of events.
Longstanding and routine are semantically related. Sometimes you can replace term "Longstanding" with "Routine", this adjectives are similar.
Nearby Word: routinely
Mutual synonyms
Cite this Source
Routine and Longstanding. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/longstanding/routine
Longstanding & Routine. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/longstanding/routine>.
Routine or Longstanding. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/longstanding/routine.
Google Ngram Viewer shows how "longstanding" and "routine" have occurred on timeline