Thesaurus
Synonyms and Antonyms of dumbfounded
1
affected with sudden and great wonder or surprise
blindsided, startled, surprised (also surprized)
aghast, appalled, dismayed, horrified
blasé (also blase), casual, nonchalant, unruffled
2
filled with amazement or wonder
amazed, astonished, astounded, awed, awestruck (also awestricken), flabbergasted, marveling (or marvelling), openmouthed, wondering
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