Entrenched
Entrenched adjective - Firmly established over time.
Old and entrenched are semantically related. In some cases you can use "Old" instead an adjective "Entrenched".
Nearby Words: entrenchment, entrenching
Old
Old adjective - Being of advanced years and especially past middle age.
Entrenched and old are semantically related. Sometimes you can use "Entrenched" instead an adjective "Old".
Mutual synonyms
Both words in one sentence
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The Commonwealth's principles are new and fragile, so it feels it must defend them at any cost - the Dominion's are old and entrenched, and it feels the same.
- Dexter in Dexter's Laboratory adheres to the trope, except that his attitude toward girls remains entrenched in normal 9-year-old mode.
Source: Acting Your Intellectual Age - After being called back into active duty at the request of his son, the formidable old man leads a fleet against the New Republic forces heavily entrenched on a planet.
Source: Face Death with Dignity
Cite this Source
Old and Entrenched. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/entrenched/old
Entrenched & Old. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/entrenched/old>.
Old or Entrenched. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/entrenched/old.
Google Ngram Viewer shows how "entrenched" and "old" have occurred on timeline