adj. 25B6; adjective ASTONISHED, astounded, amazed, staggered, surprised, startled, stunned, confounded, nonplussed, stupefied, dazed, dumbstruck, open-mouthed, speechless, thunderstruck; taken aback, disconcerted; informal flabbergasted, flummoxed; Brit. informal gobsmacked.
DUMBFOUNDED
Meaning of DUMBFOUNDED in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012