deep-rooted
adjective
[ ˌdiːpˈruːtɪd ]
• firmly embedded in thought, behaviour, or culture, and so having a persistent influence.
• "her deep-rooted fears and anxieties"
Similar:
deep-seated,
deep,
profound,
fundamental,
basic,
well established,
established,
settled,
firm,
ingrained,
entrenched,
unshakeable,
irremovable,
ineradicable,
dyed-in-the-wool,
inveterate,
built-in,
inbuilt,
radical,
secure,
persistent,
long-lasting,
abiding,
lingering,