wide–eyed 
/ˈwaɪdˈaɪd/ adjective
/ˈwaɪdˈaɪd/ adjective 1 : having your eyes wide open especially because of surprise or fear
▪ He stared at me, wide-eyed in astonishment. 2 : having or showing a lack of experience or knowledge
▪ wide-eyed [=naive] innocence
▪ He stared at me, wide-eyed in astonishment.
▪ wide-eyed [=naive] innocence
