15 entries under astonishingly topic. ×

15
abruptly(adverb, short, sudden, suddenly, unawares)
8
surprisingly(adverb, short, sudden, suddenly, unawares)
4
aback(short, unexpected, sudden, suddenly, unawares)
4
short(adverb, sudden, suddenly, unawares, abruptly)
4
sudden(short, suddenly, unawares, abruptly)
3
unintentionally(adverb, short, sudden, suddenly, unawares)
2
unwittingly(short, sudden, suddenly, unawares, fortunately)
1
carelessly(short, sudden, suddenly, unawares)
1
ignorantly(short, sudden, suddenly, unawares)
1
inadvertently(short, sudden, suddenly, unawares)
1
mistakenly(short, sudden, suddenly, unawares)
1
unconsciously(short, sudden, suddenly, unawares)
1
unknowingly(short, sudden, suddenly, unawares)
1
unprepared(suddenly, unawares, astoundingly)
1
unready(suddenly, unawares, astoundingly)
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APASmart Define. (2015). unexpectedly thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unexpectedly/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexpectedly thesaurus" https://smartdefine.org/unexpectedly/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unexpectedly thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unexpectedly/thesaurus/synonyms>.
MLASmart Define. "unexpectedly thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/unexpectedly/thesaurus/synonyms>