Definition of jaw-dropping adjective from the Oxford Advanced American Dictionary

 

jaw-dropping

 adjective
adjective
 
(informal)
 
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so large or good that it amazes you a jaw-dropping 5 million dollars jaw-dropping amounts a jaw-dropping performance The production is absolutely jaw-dropping.
jaw-droppinglyadverb
 
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jaw-droppingly beautiful
See the Oxford Advanced Learner's Dictionary entry: jaw-dropping