2
abrupt
2
chance(adjective, extraordinary, wonderful, shocking, astonishing)
2
electrifying(extraordinary, wonderful, shocking, astonishing, astounding)
2
fortuitous(adjective, extraordinary, wonderful, chance, shocking)
2
freak
2
impulsive(extraordinary, wonderful, shocking, astonishing, astounding)
2
out of the blue(expression, idiom, extraordinary, wonderful, shocking)
2
unlooked for(verb, expression, phrasal verb, unanticipated, inexpectation)
2
unprepared for
2
without warning(expression, extraordinary, wonderful, shocking, astonishing)
1
accidental(adjective, extraordinary, wonderful, chance, shocking)
1
exceptional(adjective, inexpectation)
1
from left field(expression, idiom, extraordinary, wonderful, shocking)
1
hasty
1
headlong
1
impetuous
1
more than expected(expression, idiom)
1
nerve-shattering
1
not bargained for(expression, idiom, unexpected, unforeseen, unanticipated)
1
not in the cards(expression, idiom, unforeseen, unanticipated)
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APASmart Define. (2015). unpredicted thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unpredicted/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpredicted thesaurus" https://smartdefine.org/unpredicted/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unpredicted thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unpredicted/thesaurus/synonyms>.
MLASmart Define. "unpredicted thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/unpredicted/thesaurus/synonyms>