5
unlooked for(verb, expression, phrasal verb, secret, inexpectation)
5
unpremeditated(adjective, chance, intention, unplanned, accidental)
4
beautiful(great, excellent, superb, super, groovy)
4
cute(great, excellent, superb, super, groovy)
4
elegant(great, excellent, superb, super, groovy)
4
eye-opening(adjective, amazing, astonishing, astounding, dumbfounding)
4
good(great, excellent, superb, super, groovy)
4
nice(great, excellent, superb, super, groovy)
4
precipitant(adjective, violent, fast, quick, abrupt)
4
precipitous
4
random(adjective, chance, liable, unintentional, dependent)
4
shocking(adjective, surprising)
4
swift(adjective, violent, fast, quick, abrupt)
4
unhoped for(verb, expression, adjective, phrasal verb, inexpectation)
3
adorable(great, excellent, superb, super, groovy)
3
aesthetic(great, excellent, superb, super, groovy)
3
agreeable(great, excellent, superb, super, groovy)
3
aleatory(adjective, accidental, unintended)
3
attractive(great, excellent, superb, super, groovy)
3
audacious(great, excellent, superb, super, groovy)
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APASmart Define. (2015). unforeseen thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unforeseen/thesaurus/synonyms
ChicagoSmart Define. 2015. "unforeseen thesaurus" https://smartdefine.org/unforeseen/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unforeseen thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unforeseen/thesaurus/synonyms>.
MLASmart Define. "unforeseen thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/unforeseen/thesaurus/synonyms>