1. (

• tattletale ,
• tattler ,
• taleteller ,
• talebearer ,
• telltale ,
• blabbermouth

) someone who gossips indiscreetly ;

1. (

• revealing ,
• telling ,
• telltale

) disclosing unintentionally something concealed; "a telling smile"; "a telltale panel of lights"; "a telltale patch of oil on the water marked where the boat went down" ;