Synonyms|303Antonyms|92|Broader|5Narrower|0Related|372

28 entries under significant topic. ×

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estimable(substantial, definite, considerable)
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good-sized(substantial, definite, considerable)
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goodly(substantial, definite, considerable)
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healthy(substantial, definite, considerable)
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large(substantial, definite, considerable)
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measurable(substantial, definite, considerable)
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sizable(substantial, definite, considerable)
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substantial(definite, considerable, palpable, perceptible)
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APASmart Define. (2015). observable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/observable/thesaurus/synonyms
ChicagoSmart Define. 2015. "observable thesaurus" https://smartdefine.org/observable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, observable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/observable/thesaurus/synonyms>.
MLASmart Define. "observable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/observable/thesaurus/synonyms>