99 entries under persistent topic. ×
| ineradicable(fixed, continuous, lasting, continuing) | |
| ingrained(usual, fixed, established, hardened) | |
| intransigent(adjective, constant, pitiless, unyielding) | |
| iron-fisted(adjective, constant, pitiless, unyielding) | |
| lifelong(adjective, fixed, continuous, lasting) | |
| like the Rock of Gibralter(expression, adjective, idiom, steady, stable) | |
| lingering(fixed, lasting, remaining, chronic) | |
| long-lived(continuous, lasting, continuing, recurrent) | |
| long-standing(continuous, lasting, continuing, remaining) | |
| merciless(adjective, constant, pitiless, unyielding) | |
| monochrome(adjective, dull, steady, stable, regular) | |
| monophonic(adjective, dull, steady, stable, regular) | |
| neverending(adjective, resolute, constant, living) | |
| obstinate(determined, continuous, lasting, continuing) | |
| of a piece(expression, adjective, idiom, steady, stable) | |
| prolonged(adjective, constant, lasting, remaining) | |
| protracted(continuous, lasting, continuing, remaining) | |
| regularized(adjective, dull, steady, stable, regular) | |
| remorseless(adjective, constant, pitiless, unyielding) | |
| rooted(usual, continuous, established, hardened) |
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| APA | Smart Define. (2016). continual thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/continual/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "continual thesaurus" https://smartdefine.org/continual/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, continual thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/continual/thesaurus/synonyms>. |
| MLA | Smart Define. "continual thesaurus" 12 February 2016. Web. 22 September 2026. <https://smartdefine.org/continual/thesaurus/synonyms> |