Synonyms|174Antonyms|63|Broader|1Narrower|0Related|626

23 entries under hardened topic. ×

1
ingrained(persistent, continuous, lasting, continuing)
1
obstinate(persistent, continuous, lasting, continuing)
1
usual(persistent, continuous, lasting, continuing)
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APASmart Define. (2016). long-lived thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/long-lived/thesaurus/synonyms
ChicagoSmart Define. 2016. "long-lived thesaurus" https://smartdefine.org/long-lived/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, long-lived thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/long-lived/thesaurus/synonyms>.
MLASmart Define. "long-lived thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/long-lived/thesaurus/synonyms>