70 entries under significant topic. ×

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astronomical(substantial, large)
0
bountiful(substantial, large, abundant, copious)
0
comfortable(substantial, large)
0
commodious(substantial, large)
0
consequential(substantial, large)
0
distinguished(substantial, large)
0
doozie(substantial, large)
0
dynamite(substantial, large)
0
essential(substantial, large)
0
extensive(substantial, large)
0
fab(substantial, large)
0
fat(substantial, large)
0
hefty(substantial, large)
0
huge(substantial, large)
0
influential(substantial, large)
0
large-scale(substantial, large)
0
lavish(substantial, large, abundant, copious)
0
major(substantial, large)
0
momentous(substantial, large)
0
mondo(substantial, large)
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APASmart Define. (2016). appreciable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/appreciable/thesaurus/synonyms
ChicagoSmart Define. 2016. "appreciable thesaurus" https://smartdefine.org/appreciable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, appreciable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/appreciable/thesaurus/synonyms>.
MLASmart Define. "appreciable thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/appreciable/thesaurus/synonyms>