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