0
maintaining(adjective, continuing)
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ongoing(permanent, long-term, lifelong)
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onrushing
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perpetuities
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progressing(adjective, continuing)
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relentless(lasting, permanent, everlasting, unending, undying)
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serviceable
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set in concrete(expression, stable, constant, enduring, lasting)
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stereotype
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sustaining(adjective, continuing)
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unfailing
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very durable(expression, idiom)
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APASmart Define. (2016). perdurable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perdurable/thesaurus/synonyms
ChicagoSmart Define. 2016. "perdurable thesaurus" https://smartdefine.org/perdurable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, perdurable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perdurable/thesaurus/synonyms>.
MLASmart Define. "perdurable thesaurus" 3 March 2016. Web. 21 September 2026. <https://smartdefine.org/perdurable/thesaurus/synonyms>