agape[adjective]Synonyms: aghast, confounded, dismayed, dumbfounded, overwhelmed, shocked, thunderstruck
[TahlilGaran] English Synonym Dictionary ▲
a‧gape /əˈɡeɪp/
adjective [not before noun] with your mouth wide open, especially because you are surprised or shocked:
Vince watched, his mouth agape in horror. [TahlilGaran] Dictionary of Contemporary English ▲