| clammed up(expression, silent, dazed, dumb, astonished) | |
| close-mouthed(silent, dazed, dumb, astonished, thunderstruck) | |
| completely surprised | |
| conquered(adjective, speechless, overwhelmed, overawed) | |
| cool(dazed, amazed, astonished, thunderstruck, flabbergasted) | |
| cool as cucumber(expression, idiom, silent, dazed, dumb) | |
| defeated(adjective, confused, perplexed, puzzled, speechless) | |
| devilled | |
| disbelieving(adjective, incredulous) | |
| eluded | |
| engendered | |
| escaped | |
| exhausted | |
| experienced | |
| fathered | |
| fetched | |
| fixed | |
| flapped | |
| foiled | |
| fooled |
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Dumbfounded on
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| APA | Smart Define. (2015). dumbfounded thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dumbfounded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dumbfounded thesaurus" https://smartdefine.org/dumbfounded/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, dumbfounded thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dumbfounded/thesaurus/synonyms>. |
| MLA | Smart Define. "dumbfounded thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/dumbfounded/thesaurus/synonyms> |