Tattler (8)
![Ross](/clue/static/ross-mug.min.png)
'tattler' is the definition.
(I know that tattler can be written as telltale)
This is all the clue.
(Other definitions for telltale that I've seen before include "Monitoring device - gossip" , "Revealing or indicating something, like blabbermouth" , "Gossip-monger" , "Betraying" , "Revealer of secrets" .)
'tattler' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for blabbermouth that I've seen before include "Indiscreet talker" , "Indiscreet individual - humbler abbot (anag)" , "Gossiper" , "Person who talks indiscreetly" , "Person who gossips all the time" .)