17 entries under expression topic. ×

3
by surprise(idiom, adverb, short, prepared)
1
back of(adjective, end, back, backward)
1
by accident(short, sudden, suddenly, unexpectedly)
1
by mistake(short, sudden, suddenly, unexpectedly)
1
off guard(short, sudden, suddenly, unexpectedly)
1
thrown off(adverb, surprised, unmindfully, inside-out)
1
thrown off guard(idiom, adverb, surprised, unmindfully)
1
without warning(suddenly, unexpectedly, unawares, abruptly)
0
at random(unmindfully, inside-out)
0
in confusion(unmindfully, inside-out)
0
in the wake of(adjective, idiom, end, back)
0
on the hop(idiom, suddenly, unexpectedly, unawares)
0
strike with wonder(idiom, inexpectation)
0
taken unawares(adverb, surprised)
0
without delay(suddenly, unexpectedly, unawares, abruptly)
0
without hesitation(suddenly, unexpectedly, unawares, abruptly)
0
wrong side up(idiom, unmindfully, inside-out)
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APASmart Define. (2015). aback thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/aback/thesaurus/synonyms
ChicagoSmart Define. 2015. "aback thesaurus" https://smartdefine.org/aback/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, aback thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/aback/thesaurus/synonyms>.
MLASmart Define. "aback thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/aback/thesaurus/synonyms>