na. | 1. be struck dumb; all at sea; be wide-eyed and not make a sound; be so awed (at the sight of) that one couldn't speak; (He) is flabbergasted and has nothing to say.; make sb. open his eyes; One's mouth opens wide with surprise.; gape; stare at ..., tongue-tied; stare dumbfounded; stare tongue-tied; wide-eyed and tongue-tied |