tattletale /ˈtætl̟ˌteɪl/ noun plural tattletales
plural tattletales
Learner's definition of TATTLETALE
[count] chiefly US, informal + disapproving
: a child who tells a parent, teacher, etc., about something bad or wrong that another child has done : a child who tattles on another child(向家長、老師等)打小報告的孩子;小告密者