Synonyms of entrenched in English:

entrenched

(also intrenched)

See US English definition of entrenched

See UK English definition of entrenched

adjective

1‘officials tended to cling to entrenched attitudes’

SYNONYMS
ingrained, established, well established, long-established
confirmed, fixed, set firm, firm
deep-seated, deep-rooted, rooted, deep-set
unshakeable, irremovable, indelible, ineradicable, inveterate, immutable, inexorable, dyed-in-the-wool
ANTONYMS

superficial