17 entries under idiom topic. ×

10
out of the blue(expression, adjective, adverb, shocking)
1
on short notice(expression, adjective, quick, immediate)
1
on the dot(expression, adjective, quick, immediate)
1
against all expectation(expression, inexpectation)
1
against expectation(expression, inexpectation)
1
beyond expectation(expression, inexpectation)
1
contrary to expectation(expression, inexpectation)
1
from left field(expression, shocking, unpredictable, astonishing)
1
gone off half-cocked(expression, violent, fast, quick)
1
jump the gun(expression, violent, fast, quick)
1
more than expected
1
not anticipated
1
not bargained for(expression, secret, unexpected, unforeseen)
1
not in the cards(expression, unforeseen, unpredicted)
1
off the hip(expression, violent, fast, quick)
1
off the top of head(expression, violent, fast, quick)
0
off top of head(expression, violent, fast, quick)
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APASmart Define. (2015). unanticipated thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unanticipated/thesaurus/synonyms
ChicagoSmart Define. 2015. "unanticipated thesaurus" https://smartdefine.org/unanticipated/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unanticipated thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unanticipated/thesaurus/synonyms>.
MLASmart Define. "unanticipated thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unanticipated/thesaurus/synonyms>