Simple past tense and past participle of prate.(verb)
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Use "prated" in a sentence
"So much so I called my wife (traveling on business – or so she tells me) and prated like a girl scout who won the cookie sales contest."
"Remember those hearts and minds that the lying liars prated about winning."
"Since then, they have ceaselessly prated about alternatives including foreign funded NGOism, job placements in the reactionary government, electoral politics and the like to the armed revolution rather than to the oppressive and exploitative ruling system."