Main Entry: stu·pe·fy

Pronunciation: \ˈstü-pə-ˌfī, ˈstyü-\

Function: transitive verb

Inflected Form(s): stu·pe·fied; stu·pe·fy·ing

Etymology: Middle English stupifien, modification of Latin stupefacere, from stupēre to be astonished + facere to make, do — more at do

Date: 15th century

1 : to make stupid, groggy, or insensible
2 : astonish, astound

— stu·pe·fy·ing·ly \-iŋ-lē\ adverb