dumbfounded(Informal)[adjective]Synonyms: amazed, astonished, astounded, flabbergasted
(informal), lost for words, nonplussed, overwhelmed, speechless, staggered, stunned
[TahlilGaran] English Synonym Dictionary ▲
dumb‧found‧ed /dʌmˈfaʊndəd, dʌmˈfaʊndɪd/
adjective extremely surprised:
He was completely dumbfounded by the incident.—dumbfound verb [transitive] [TahlilGaran] Dictionary of Contemporary English ▲