Simple past tense and past participle of prattle.(verb)
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Use "prattled" in a sentence
"It prattled sweet ideals and dear moralities, rubbed its eyes not once, nor ceased one whit in its greediness, and smashed down in a failure as tremendous only as was the opportunity it had ignored."
"The ladies prattled on about the kind of men and the kind of things I yearned to forget."
"It was true that they prattled sweet little ideals and dear little moralities, but in spite of their prattle the dominant key of the life they lived was materialistic."