[stoo-puh-fahy, styoo-]
verb (used with object), stu·pe·fied, stu·pe·fy·ing.
  1. to put into a state of little or no sensibility; benumb the faculties of; put into a stupor.
  2. to stun, as with a narcotic, a shock, or a strong emotion.
  3. to overwhelm with amazement; astound; astonish.

Origin of stupefy

1590–1600; < Middle French stupefierLatin stupefacere to benumb, equivalent to stupe-, stem of stupēre to be numb or stunned + facere to make, do1; see -fy
Related formsstu·pe·fied·ness [stoo-puh-fahyd-nis, -fahy-id-, styoo-] /ˈstu pəˌfaɪd nɪs, -ˌfaɪ ɪd-, ˈstyu-/, nounstu·pe·fi·er, nounstu·pe·fy·ing·ly, adverbun·stu·pe·fied, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for stupefyingly

Contemporary Examples of stupefyingly

Historical Examples of stupefyingly

  • And really Mr. Dundass pictures this year had been stupefyingly clever.

    The Angel of Pain

    E. F. Benson

  • The mighty arms spread wide as the beast plunged, stupefyingly quick for all his vast bulk and stunted legs.

    Shadows in the Moonlight

    Robert E. Howard

  • Bobby had shown himself on the road out to Bern a difficult boy, and stupefyingly ignorant.

  • The extent to which some persons can go on reading without having any clear idea of what they read is stupefyingly amazing!

British Dictionary definitions for stupefyingly


verb -fies, -fying or -fied (tr)
  1. to render insensitive or lethargic
  2. to confuse or astound
Derived Formsstupefier, nounstupefying, adjectivestupefyingly, adverb

Word Origin for stupefy

C16: from Old French stupefier, from Latin stupefacere; see stupefacient
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for stupefyingly



1510s (implied in past participle stupefact), from Middle French stupéfier, from Latin stupefacere "make stupid or senseless," from stupere "be stunned" (see stupid) + facere "to make" (see factitious).

Online Etymology Dictionary, © 2010 Douglas Harper