fixed, set, rooted, well-established, ingrained, deep-seated, deep-rooted, unshakable
Fortified means protected against attack. Two synonyms of fortified are entrenched and guarded. "My house has a fortified shelter in the backyard in the event of a nuclear strike."
yes the bill of rights are entrenched.
I could not see the approaching tank squadron because I was entrenched.
World war 1 became entrenched because of the alliance system
Voting entrenched
They are synonyms.
Entrenched
entrenched is the nearest I can get
Synonyms
When agriculture became entrenched in the South entrepreneurs built new factories to meet rising consumer demand.
As agriculture became entrenched in the south the food security in the country improved.
Relative and kin are synonyms.