3
materially(adverb, substantially)
3
noticeably(adverb, very, severely, much, clearly)
3
prominently
3
rather(adverb, quantity, pretty, very, enough)
3
really(adverb, substantially)
3
relevantly(adverb, meaningfully)
3
seriously(adverb, urgently, importantly)
2
appreciably
2
crucially(adverb, seriously, essentially, urgently, importantly)
2
eloquently
2
expressively(adverb, meaningfully)
2
great deal(noun, adverb, quantity, enough, measurement)
2
interestingly(adverb, interest, attitude, attention)
2
liberally
2
momentously
2
monumentally
2
purposefully(adverb, meaningfully)
2
significant
2
very(adverb, pretty, absolutely, severely, far)
2
very much(expression, idiom, adverb, much, clearly)
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APASmart Define. (2016). significantly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/significantly/thesaurus/synonyms
ChicagoSmart Define. 2016. "significantly thesaurus" https://smartdefine.org/significantly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, significantly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/significantly/thesaurus/synonyms>.
MLASmart Define. "significantly thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/significantly/thesaurus/synonyms>