Simple past tense and past participle of defeat.(verb)
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Use "defeated" in a sentence
"For instance, one of the deputy speakers of the parliament who said that Obama can change what he called the defeated Bush policies and in doing so can play an important role in future relations between the U.S.,"
""They had a conversation about the fact that the prospects of him winning had passed him by and that the only way the Republican would be defeated is to jump on board with Crist," said a Florida Democrat familiar with the discussion."
"Oudin defeated Dementieva and three other Russians in a surprising run to the U.S."