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stu·pe·fy

(stpə-fī′, sty-)

tr.v. stu·pe·fied, stu·pe·fy·ing, stu·pe·fies

1. To cause (someone) to be unable to think clearly or be sensitive to the surroundings; daze: was stupefied by the toxic gas.

2. To amaze; astonish: a race that stupefied the fans.

[Middle English stupefien, from Old French stupefier, from Latin stupefacere : stupēre, to be stunned + facere, to make; see FACT.]

stupe·fi′er n.

stupe·fy′ing·ly adv.

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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