verb
ADVERB
▪ openly
▪
Stephanie ~d openly at the visitors.
▪ slightly
▪
Her mouth ~d slightly.
PREPOSITION
▪ at
▪
What are you gaping at?
PHRASES
▪ ~ open
▪
She watched him, her mouth gaping open.
▪
The empty cash box lay gaping open in one corner. ( figurative )
Gape is used with these nouns as the subject: ↑ mouth