Simple past tense and past participle of zombify.(verb)
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Use "zombified" in a sentence
"One thing I do when a class get zombified is just start calling on people, one after another, in order to get answers to my questions."
"According to Carolyn Kellogg at Jacket Copy, Horner "zombified" a portrait by Sir William Beechey (original to the right)."
"Complimentary items -- vampire mints -- and other rare opportunities -- the chance to have a picture of yourself "zombified" at "The Walking Dead" booth -- were also coveted by the crowd, which only occasionally got surly."