tattled
tat-tled
verb
Revealed secrets or reported someone's misbehaviour, often in a childish or petty way.
"She tattled on her brother for eating the biscuits."
Thesaurus
Synonyms: telling, tattle, singing, gabble, prate, gibber, maunder, clack, tittle-tattle, palaver, blabber, twaddle
Antonyms: keep one's mouth shut, keep quiet, shut one's mouth