6
surprisingly(adverb, surprisingly)
4
astonishingly(adverb, surprisingly)
4
startlingly(adverb, surprisingly)
3
amazingly(adverb, wonderfully, tremendously, remarkably, shockingly)
2
amazedly
2
astonishedly
2
flabbergastingly
2
shockingly(adverb, surprisingly)
1
astonish
1
astonishing(adjective, adverb, wonderfully)
1
astounding
1
awfully
1
dreadfully
1
dumbfoundedly
1
dumbfoundingly
1
flabbergastedly
1
frightfully
1
horribly
1
horridly
1
inconceivably
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APASmart Define. (2016). astoundingly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/astoundingly/thesaurus/synonyms
ChicagoSmart Define. 2016. "astoundingly thesaurus" https://smartdefine.org/astoundingly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, astoundingly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/astoundingly/thesaurus/synonyms>.
MLASmart Define. "astoundingly thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/astoundingly/thesaurus/synonyms>