40 entries under adverb topic. ×

9
surprised
6
short(prepared, sudden, suddenly, unexpectedly)
6
back(adjective, end, round, backward)
6
unawares(prepared, suddenly, unexpectedly, abruptly)
5
backward(adjective, end, back, round)
4
confused(surprised, unmindfully, inside-out)
3
astern(adjective, end, back, round)
3
by surprise(expression, idiom, short, prepared)
3
rearward(adjective, end, back, backward)
2
abaft(adjective, end, back, round)
2
unawarely
1
abruptly(short, unprepared, quickly, sudden)
1
backwards
1
rearwards
1
thrown off(expression, surprised, unmindfully, inside-out)
1
thrown off guard(expression, idiom, surprised, unmindfully)
0
abnormally(unexpectedly, astonishingly, astoundingly, amazingly)
0
again
0
anywise(unmindfully, inside-out)
0
approximately
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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>