Synonyms|243Antonyms|38|Broader|1Narrower|0Related|60
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inherent
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innate
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insusceptible
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insusceptible of change(expression, idiom, stability)
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intransmutable
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intrinsic
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inured
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irradicable
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irremovable
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irresoluble
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irretrievable
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lastingly
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long-established
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loyal(firm, true, fixed, constant, steadfast)
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mindful
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non-breakable
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non-cancellable
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non-erasable
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non-perishable
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notable(great, extraordinary, outstanding, unforgettable)
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APASmart Define. (2016). indelible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/indelible/thesaurus/synonyms
ChicagoSmart Define. 2016. "indelible thesaurus" https://smartdefine.org/indelible/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, indelible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/indelible/thesaurus/synonyms>.
MLASmart Define. "indelible thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/indelible/thesaurus/synonyms>