5
eye-opening
5
happy
3
unexpected
3
unforeseen(adjective, surprising)
2
abrupt
2
lucky
1
accidental
1
casual
1
chance
1
fluky
1
fortuitous
1
fortunate
1
from left field(expression, adjective, idiom, unanticipated)
1
heaven-sent
1
inadvertent
0
incidental
0
providential
0
sudden
0
unanticipated
0
unintentional
<12>
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APASmart Define. (2015). foreseen thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foreseen/thesaurus/antonyms
ChicagoSmart Define. 2015. "foreseen thesaurus" https://smartdefine.org/foreseen/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, foreseen thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foreseen/thesaurus/antonyms>.
MLASmart Define. "foreseen thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/foreseen/thesaurus/antonyms>