Simple past tense and past participle of congratulate.(verb)
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Use "congratulated" in a sentence
"'Man with no name' congratulates police during court appearance AN ACCUSED fraudster who refused to tell police his name congratulated officers and shook their hand when they worked out what it was, a court heard."
"McCain congratulated Hillary Clinton for her victory in WV this is scary."
"Be careful becuase McCain congratulated you one your landslide victory in W V. McCain is hoping that you win the nomination over Obama so that he can win over you."