Simple past tense and past participle of mutate.(verb)
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Use "mutated" in a sentence
"Oh don't tell me that economic sickness has actually mutated from the bankers, and became viral."
"This resulted in mutated genetics that made the horses become more intelligent and many of them gained the power of speech."
"But somewhere along the way we lost that childlike joy and became contaminated with society's standards for "success", and our definition of "success" mutated from the simple "spending as much time as possible doing what I love" to "making piles of money, getting a lot of pats on the back from other people, filling my trophycase with meaningless awards .." and so on and so on."