stupefyingly
adverb/ˈstjuːpɪfaɪɪŋli/
/ˈstuːpɪfaɪɪŋli/
- in a way that makes you feel unable to think clearly because it is so bad, boring, etc.
- The party was stupefyingly dull.
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stupefyingly
Definition of stupefyingly adverb from the Oxford Advanced Learner's Dictionary