I .
/ əˈgeɪp; NAmE / adjective
[ not before noun ] ( formal ) if a person's mouth is agape , it is wide open, especially because they are surprised or shocked
II .
/ ˈægəpi; NAmE / noun
[ U ] ( religion ) Christian love rather than sexual or romantic love
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WORD ORIGIN
I . mid 17th cent.: from a- on + gape .
II . early 17th cent.: from Greek agapē brotherly love.