21 entries under flabbergasted topic. ×

36
astonished(verb, adjective, confused, dazed, perplexed)
14
thunderstruck(adjective, anxious, high, silent, dazed)
10
dazed(verb, adjective, overcome, shy, shaky)
9
speechless(adjective, overcome, awkward, confused, silent)
9
astounded(verb, adjective, overcome, shy, confused)
8
amazed(verb, adjective, overcome, shy, high)
5
stunned(verb, adjective, overcome, confused, dazed)
3
gobsmacked(adjective, overcome, amazed, astonished, speechless)
3
wordless(silent, dazed, dumb, amazed, astonished)
2
aphonic(silent, dazed, dumb, amazed, astonished)
1
knocked for six(expression, adjective, idiom, overcome, speechless)
0
buttoned up(expression, silent, dazed, dumb, astonished)
0
clammed up(expression, silent, dazed, dumb, astonished)
0
close-mouthed(silent, dazed, dumb, astonished, thunderstruck)
0
cool(dazed, amazed, astonished, thunderstruck)
0
reserved(silent, dazed, dumb, astonished, thunderstruck)
0
silent(awkward, dazed, dumb, astonished, speechless)
0
taciturn(silent, dazed, dumb, astonished, thunderstruck)
0
tight-lipped(silent, dazed, dumb, astonished, thunderstruck)
0
uncommunicative(awkward, silent, dazed, dumb, astonished)
<12>
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APASmart Define. (2015). dumbfounded thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dumbfounded/thesaurus/synonyms
ChicagoSmart Define. 2015. "dumbfounded thesaurus" https://smartdefine.org/dumbfounded/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, dumbfounded thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dumbfounded/thesaurus/synonyms>.
MLASmart Define. "dumbfounded thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/dumbfounded/thesaurus/synonyms>