stupefy

 
Pronunciation: /ˈstjuːpɪfʌɪ/

verb (stupefies, stupefying, stupefied)

[with object]
  • make (someone) unable to think or feel properly: the offence of administering drugs to a woman with intent to stupefy her
  • astonish and shock: the amount they spend on clothes would appal their parents and stupefy their grandparents

Derivatives

stupefier

noun

stupefying

adjective

stupefyingly

adverb
[as submodifier]: a stupefyingly tedious task

Origin:

late Middle English: from French stupéfier, from Latin stupefacere, from stupere 'be struck senseless'

Spelling help

Remember that stupefy ends with -efy.