0 in a way that makes someone unable to think clearly, usually because of being extremely tired or bored, or having taken drugs:
She is stupefyingly bored by many aspects of motherhood.
1 in a very surprising or shocking way:
The talk is deliberately, stupefyingly, endlessly trivial.
The island a place of leisure, paralysingly perfect, stupefyingly sensuous.
Papers seem seem almost stupefyingly oblivious to the fact that they aren't in the breaking news business anymore.
Stupefyingly inept management led to the company's collapse.
The event hosts a mix of amateurs and professionals and is stupefyingly expensive for either.