[adjective] [after verb], [adverb] - with the mouth open, esp. showing surpriseThe children watched, their eyes wide and their mouths agape, as the magician took a rabbit out of his hat.The girls were agape with excitement.The crowd stared agape as he climbed to the top of the building.
AGAPE
Meaning of AGAPE in English
Cambridge English vocab. Кембриджский английский словарь. 2012