| petrified | |
| wondering(adjective, astonished) | |
| wordless(silent, dazed, dumb, amazed, astonished) | |
| agape | |
| aphonic(silent, dazed, dumb, amazed, astonished) | |
| appalled(adjective, astonished) | |
| awed | |
| bowled over(verb, expression, adjective, phrasal verb, surprised) | |
| dazzled | |
| disconcerted | |
| dizzy(adjective, confused) | |
| gawking(adjective, astonished) | |
| incredulous(adjective, overcome, amazed, speechless, overwhelmed) | |
| knocked out | |
| mum(awkward, silent, dazed, dumb, amazed) | |
| unprepared | |
| voiceless(awkward, silent, dazed, dumb, amazed) | |
| wide-eyed | |
| acquired | |
| aimed |
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| APA | Smart Define. (2015). dumbfounded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/dumbfounded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dumbfounded thesaurus" https://smartdefine.org/dumbfounded/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, dumbfounded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/dumbfounded/thesaurus/synonyms>. |
| MLA | Smart Define. "dumbfounded thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/dumbfounded/thesaurus/synonyms> |