agog UK /əˈɡɒɡ/US /əˈɡɑɡ/adjective 2adverb 1forms 2 adjective2 •In a state of eager desire; full of anticipation; highly excited with curiosity.Everyone’s agog at the new twist to the royal scandal. •Wide open, agape.Cotton Mather came galloping down All the way to Newbury town, With his eyes agog and his ears set wide, And his marvellous inkhorn at his side — 1860 adverb1 •In an astonished or excited manner."Is this Mr. Mifflin?" she said, as he advanced all agog from his smoky corner. — 1919 formsmore agog · most agog