openmouthed

enUK
Thesaurus

Adj.

openmouthed - with eyes or mouth open in surprisegoggle-eyed, popeyedcolloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speechsurprised - taken unawares or suddenly and feeling wonder or astonishment; "surprised by her student's ingenuity"; "surprised that he remembered my name"; "a surprised expression"