1
long-established
1
long-lived(persistent, continuous, hardened, lasting, continuing)
1
long-standing(complete, true, fixed, persistent, hardened)
1
obstinate(persistent, continuous, hardened, lasting, continuing)
1
old-line
1
on a rock(expression, idiom)
1
on bedrock
1
original(adjective, characteristic, true, natural, individual)
1
part and parcel
1
perennial(persistent, continuous, hardened, lasting, continuing)
1
permanent(adjective, impulse)
1
persistent(usual, continuous, established, hardened, lasting)
1
persisting(persistent, continuous, hardened, lasting, continuing)
1
popular
1
quaffed
1
recurrent(usual, persistent, continuous, established, hardened)
1
routine(persistent, continuous, lasting, continuing, remaining)
1
running in the family
1
settled in habit(expression, idiom)
1
stabilized
<1678910>
11 years ago|5.9k views|share |citing 
APASmart Define. (2015). ingrained thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ingrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "ingrained thesaurus" https://smartdefine.org/ingrained/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, ingrained thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ingrained/thesaurus/synonyms>.
MLASmart Define. "ingrained thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/ingrained/thesaurus/synonyms>