/ bɪˈwɪldə(r); NAmE / verb
[ vn ] [ usually passive ] to confuse sb :
She was totally bewildered by his sudden change of mood.
► be·wil·dered adjective :
He turned around, with a bewildered look on his face.
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WORD ORIGIN
late 17th cent.: from be- thoroughly + obsolete wilder lead or go astray , of unknown origin.