Simple past tense and past participle of deface.(verb)
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Use "defaced" in a sentence
"His mother — her bones scattered — her name defaced — her rest annulled!"
"The final programmes will engagingly escort us to the present day, via a coin defaced by Suffragettes, a plate from the Russian revolution, and a credit card, to the final object."
"The charities told the paper that in the past, they removed labels and "defaced" any fake trademarks before distributing the clothes, and they pointed out that the donations helped save them--and therefore the city--money."