7
greatly(adverb, seriously, enormously, deeply, largely)
6
considerably(adverb, quantity, enough, measurement)
6
hugely(adverb, enormously, largely, vastly, infinitely)
5
enormously(adverb, hugely, vastly, infinitely, incalculably)
5
extensively(adverb, largely)
5
heavily(adverb, heavily, laboriously)
4
largely(adverb, largely)
3
gigantically(adverb, largely)
3
grandly(adverb, largely)
3
impressively(adverb, largely)
3
ponderously(adverb, heavily)
2
amply(adverb, largely)
2
bigly
2
bulkily
2
colossally
2
expansively(adverb, largely)
2
extremely(adverb, enormously, hugely, vastly, infinitely)
2
grandiosely(adverb, largely)
2
heftily
2
immensely(adverb, enormously, hugely, vastly, infinitely)
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APASmart Define. (2013). massively thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/massively/thesaurus/synonyms
ChicagoSmart Define. 2013. "massively thesaurus" https://smartdefine.org/massively/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, massively thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/massively/thesaurus/synonyms>.
MLASmart Define. "massively thesaurus" 17 June 2013. Web. 20 September 2026. <https://smartdefine.org/massively/thesaurus/synonyms>