15 entries under greatly topic. ×

12
widely(adjective, adverb, far, much, roughly)
4
considerably(adverb, pretty, absolutely, really, far)
3
very(adverb, really, far, much, extremely)
2
far(adjective, adverb, much, generally)
2
quite(adverb, absolutely, thoroughly, fully, completely)
2
significantly(adverb, far, much, highly)
1
decidedly(adverb, pretty, absolutely, far, much)
1
extremely(adverb, pretty, absolutely, far, much)
1
much(adverb, pretty, absolutely, really, far)
1
notably(adverb, pretty, absolutely, far, much)
1
well(adverb, thoroughly, fully, much)
0
immeasurably(adverb, far, much, considerably)
0
incomparably(adverb, much, substantially, notably)
0
somewhat(adverb, much, substantially, significantly)
0
very much(expression, adverb, much, substantially)
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APASmart Define. (2015). extensively thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extensively/thesaurus/synonyms
ChicagoSmart Define. 2015. "extensively thesaurus" https://smartdefine.org/extensively/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, extensively thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extensively/thesaurus/synonyms>.
MLASmart Define. "extensively thesaurus" 19 June 2015. Web. 23 September 2026. <https://smartdefine.org/extensively/thesaurus/synonyms>