178 entries under adjective topic. ×

36
unforeseen(great, excellent, shock, violent)
27
sudden(passionate, violent, careless, casual)
26
unanticipated(great, excellent, superb, super)
20
surprising(adverb, unusual, strange, exceptional)
18
unpredicted(adverb, great, excellent, superb)
17
abrupt(passionate, violent, fast, quick)
16
extraordinary(great, excellent, unusual, strange)
15
curious(extraordinary, unusual, strange, new)
14
accidental(careless, chance, casual, shocking)
14
unusual(obscure, strange, new, exceptional)
14
startling(great, excellent, superb, super)
12
astonishing(great, excellent, unusual, strange)
12
incredible(great, excellent, unusual, strange)
11
chance(noun, careless, uncertain, casual)
11
fantastic(great, excellent, superb, exceptional)
11
fortuitous(chance, shocking, astonishing, astounding)
10
odd(unusual, strange, exceptional, chance)
10
remarkable(great, excellent, unusual, strange)
10
strange(obscure, unusual, new, exceptional)
10
unannounced
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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>