stu ‧ pe ‧ fied /ˈstjuːpəfaɪd, ˈstjuːpɪfaɪd $ ˈstuː-/ BrE AmE adjective
[ Date: 1400-1500 ; Language: French ; Origin: stupéfier , from Latin stupefacere , from stupere ( ⇨ ↑ stupid 1 ) + facere 'to make, do' ]
so surprised, tired, or bored that you cannot think clearly:
I stared up at Keith in stupefied amazement.
We sat there stupefied.
—stupefaction /ˌstjuːpəˈfækʃ ə n, ˌstjuːpɪˈfækʃ ə n $ ˌstuː-/ noun [uncountable]