noun a person who gossips or reveals secrets
verb to reveal secrets or gossip
Children may tattle on their siblings or friends to their parents.
Students often tattle on each other to teachers or other authority figures.
Informants or witnesses may tattle on suspects or criminals to the police.
Coworkers may tattle on each other to supervisors or HR.
In a professional setting, a writer may use the term 'tattle' to describe the act of reporting on someone else's wrongdoings or misdeeds in a story or article.
A psychologist may use the term 'tattle' when discussing the behavior of children and how they may engage in tattling as a form of seeking attention or asserting power dynamics.