93 entries under persistent topic. ×

1
exacting(adjective, obstinate, insistent, dogged)
1
froward(adjective, obstinate, insistent, dogged)
1
hard-line(adjective, obstinate, insistent, dogged)
1
hard-shelled(adjective, obstinate, insistent, dogged)
1
hell-bent(adjective, obstinate, insistent, dogged)
1
hidebound(adjective, obstinate, insistent, dogged)
1
inborn(fixed, continuous, lasting, continuing)
1
inbred(fixed, continuous, hardened, lasting)
1
incessant(adjective, steady, regular, even)
1
incurable(fixed, continuous, hardened, lasting)
1
indomitable(adjective, obstinate, insistent, dogged)
1
inexorable(adjective, obstinate, insistent, dogged)
1
insubordinate(adjective, obstinate, insistent, dogged)
1
insurgent(adjective, obstinate, insistent, dogged)
1
intractable(adjective, obstinate, insistent, dogged)
1
invincible(adjective, obstinate, insistent, dogged)
1
iron(adjective, obstinate, insistent, dogged)
1
lifelong(fixed, continuous, hardened, lasting)
1
lingering(fixed, lasting, remaining, chronic)
1
long-standing(complete, true, fixed, hardened)
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APASmart Define. (2016). confirmed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/confirmed/thesaurus/synonyms
ChicagoSmart Define. 2016. "confirmed thesaurus" https://smartdefine.org/confirmed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, confirmed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/confirmed/thesaurus/synonyms>.
MLASmart Define. "confirmed thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/confirmed/thesaurus/synonyms>