From Longman Dictionary of Contemporary Englishwide-eyedˌwide-ˈeyed adjective, adverb written 1 SURPRISEDwith your eyes wide open, especially because you are surprised or frightened He stood there wide-eyed at the appalling scene.2 BELIEVEEXPERIENCEDtoo willing to believe, accept, or admire things because you do not have much experience of life SYN naive
Examples from the Corpus
wide-eyed• Ralph lay awake in the dark, wide-eyed.• a wide-eyed idealist• wide-eyed wonder 