17 entries under short topic. ×

15
abruptly(adverb, sudden, suddenly, unawares)
8
surprisingly(adverb, sudden, suddenly, unawares)
6
accidentally(adverb, sudden, suddenly, casually)
4
aback(unexpected, sudden, suddenly, unawares)
4
sudden(suddenly, unawares, abruptly, astonishingly)
3
unintentionally(adverb, sudden, suddenly, unawares)
2
off guard(expression, adverb, sudden, suddenly)
2
unwittingly(sudden, suddenly, unawares, fortunately)
1
by accident(expression, idiom, sudden, suddenly)
1
by mistake(expression, sudden, suddenly, unawares)
1
by surprise(expression, adverb, sudden, suddenly)
1
carelessly(sudden, suddenly, unawares, astonishingly)
1
ignorantly(sudden, suddenly, unawares, astonishingly)
1
inadvertently(sudden, suddenly, unawares, astonishingly)
1
mistakenly(sudden, suddenly, unawares, astonishingly)
1
unconsciously(sudden, suddenly, unawares, astonishingly)
1
unknowingly(sudden, suddenly, unawares, astonishingly)
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APASmart Define. (2015). unexpectedly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unexpectedly/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexpectedly thesaurus" https://smartdefine.org/unexpectedly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unexpectedly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unexpectedly/thesaurus/synonyms>.
MLASmart Define. "unexpectedly thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/unexpectedly/thesaurus/synonyms>