25 entries under fixed topic. ×

1
incurable(persistent, continuous, hardened, lasting)
1
indelible(permanent, long-term, lifelong, deep-seated)
1
lifelong(adjective, persistent, hardened, lasting)
1
lingering(adjective, persistent, lasting, remaining)
1
long-standing(complete, true, steady, even)
<12>
10 years ago|3.8k views|share |citing 
APASmart Define. (2016). deep-rooted thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/deep-rooted/thesaurus/synonyms
ChicagoSmart Define. 2016. "deep-rooted thesaurus" https://smartdefine.org/deep-rooted/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, deep-rooted thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/deep-rooted/thesaurus/synonyms>.
MLASmart Define. "deep-rooted thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/deep-rooted/thesaurus/synonyms>