3
spectacular(great, excellent, superb, super, groovy)
3
sporadic
3
statuesque(great, excellent, superb, super, groovy)
3
swell(great, excellent, superb, super, groovy)
3
terrific(great, excellent, superb, super, groovy)
3
uncharacteristic(unusual, irregular, atypical, nonstandard)
3
undreamed-of(adjective, unpredictable, imagined, unsolicited, uninvited)
3
unforeseeable(adjective, unpredictable)
3
unhoped
3
unordinary(adjective, unusual)
3
unorthodox(adjective, extraordinary, unusual, strange, new)
3
unparalleled(adjective, extraordinary, unusual, strange, exceptional)
3
unpremeditated(adjective, passionate, violent, careless, casual)
3
unsuspected
3
unthinkable(great, excellent, superb, super, groovy)
3
unthought-of
3
untypical
3
welcome(great, excellent, superb, super, groovy)
3
winning(great, excellent, superb, super, groovy)
2
aberrant(extraordinary, unusual, strange, exceptional, irregular)
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APASmart Define. (2015). unexpected thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unexpected/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexpected thesaurus" https://smartdefine.org/unexpected/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unexpected thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unexpected/thesaurus/synonyms>.
MLASmart Define. "unexpected thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/unexpected/thesaurus/synonyms>