gape-mouthed adjective 3adverb 1forms 2 adjective3 •Having a wide-open mouth.And on the second OOOOOOO, you picture just a naked glowing green skull that hangs there vibrating gape-mouthed in a prison cell. — 2012 •Having a wide opening.A gape-mouthed wicker trunk served as a hive. — 2008 •Overwhelmed with awe or astonishment."You may be wise in your study in the morning,” (says brow-beating Johnson, to his gape-mouthed admirer Boswell,) “ and gay in company at a tavern in the evening.” — 1829 adverb1 •In a state of awe or astonishment.As much as we check in, we are checking out of our own lives and becoming voyeuristic, peering gape-mouthed into the sordid details of other people's lives in order to feel connected or entertained. — 2014 formsmore gape-mouthed · most gape-mouthed