Related Clues:

• Not implied
• Broke the news
• Ratted (on)
• Said with authority
• Was unable to keep a secret
• Emulated a rat
• Was a ratfink
• Didn't keep mum
• Gave the game away
• Notified
• Worded
• "I ___ you so!"
• Couldn't keep a secret
• Imparted
• Spoken, as an agreement