Simple past tense and past participle of tattle.(verb)
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Use "tattled" in a sentence
"Once the locals found out-and one wonders who in God's name tattled on the good men of"
"Mike also wrote that the best way to describe what the Kidd did is that he "tattled" on Mike Woodson - Kidd pointed out to the refs that Woodson was doing something illegal."
"The problem is, I don't want to hurt my friend, nor do I want this other person to know that I "tattled" on her."