2
congenital(adjective, affections, inborn)
2
continual(usual, fixed, persistent, established, hardened)
2
conventional(adjective, usual, regular, routine, normal)
2
etched
2
firmly established(expression, idiom, stability)
2
frequent
2
hackneyed
2
implanted
2
inborn(adjective, complete, natural, fixed, utter)
2
ineffaceable
2
ingrain
2
intractable(adjective, persistent, obstinate, insistent, dogged)
2
intrinsic(adjective, impulse)
2
inwrought
2
irradicable(adjective, continue, confirmed)
2
long-established(set, familiar, fixed, established, confirmed)
2
natural
2
of long standing(expression, idiom, familiar, established, long-established)
2
on a rock(expression, idiom, stability)
2
prescriptive
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APASmart Define. (2016). inveterate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/inveterate/thesaurus/synonyms
ChicagoSmart Define. 2016. "inveterate thesaurus" https://smartdefine.org/inveterate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, inveterate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/inveterate/thesaurus/synonyms>.
MLASmart Define. "inveterate thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/inveterate/thesaurus/synonyms>