Synonyms|24Antonyms|0|Broader|0Narrower|0Related|1
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substantial alteration(expression, change, alteration, variation, modification)
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substantive change(expression, change, alteration, variation, modification)
1
sudden change(expression, change, alteration, variation, modification)
0
step change(expression, change, alteration, variation, modification)
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ChicagoSmart Define. -0001. "significant change thesaurus" https://smartdefine.org/significant_change/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define -0001, significant change thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/significant_change/thesaurus/synonyms>.
MLASmart Define. "significant change thesaurus" 30 November -0001. Web. 23 September 2026. <https://smartdefine.org/significant_change/thesaurus/synonyms>