81 entries under adjective topic. ×

26
unexpected(great, excellent, superb, super)
25
unforeseen(great, excellent, superb, super)
17
sudden(unexpected, surprising, inexpectation)
17
abrupt(violent, fast, quick, unexpected)
13
startling(great, excellent, superb, super)
12
unpredicted(adverb, great, excellent, superb)
11
unannounced(secret, unexpected, unrevealed, disclosed)
11
unlooked-for(secret, unexpected, unforeseen, unpredicted)
10
out of the blue(expression, idiom, adverb, shocking)
9
surprising(surprising, inexpectation)
8
hasty(violent, fast, quick, unexpected)
7
astonishing(great, excellent, superb, super)
7
astounding(great, excellent, superb, super)
7
precipitate
6
quick(violent, fast, immediate, unexpected)
5
overwhelming(great, excellent, superb, super)
5
unhoped for(verb, expression, phrasal verb, inexpectation)
5
unplanned
4
unheralded(unexpected, unforeseen, unpredicted)
4
accidental
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APASmart Define. (2015). unanticipated thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unanticipated/thesaurus/synonyms
ChicagoSmart Define. 2015. "unanticipated thesaurus" https://smartdefine.org/unanticipated/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unanticipated thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unanticipated/thesaurus/synonyms>.
MLASmart Define. "unanticipated thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/unanticipated/thesaurus/synonyms>