1
irreducible
1
irreversible
1
long-established
1
old-line
1
on a rock(expression, idiom)
1
on bedrock
1
planted
1
private
1
resident
1
rooted
1
secret
1
settled
1
settled in habit(expression, idiom)
1
stabilized
1
thorough
1
unalienable
1
unchallengeable
1
unquestionable
1
vested
1
well-established
11 years ago|1.5k views|share |citing 
APASmart Define. (2015). infixed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/infixed/thesaurus/synonyms
ChicagoSmart Define. 2015. "infixed thesaurus" https://smartdefine.org/infixed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, infixed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/infixed/thesaurus/synonyms>.
MLASmart Define. "infixed thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/infixed/thesaurus/synonyms>