1. (noun) someone who gossips indiscreetly

• blabbermouth
• talebearer
• taleteller
• tattler
• tattletale

2. (adjective) disclosing unintentionally

• revealing
• telling

1. (noun) someone who gossips indiscreetly

• gossip
• gossiper
• gossipmonger
• newsmonger
• rumormonger
• rumourmonger

1. (adjective) disclosing unintentionally

• informative
• informatory

1. (noun) someone who gossips indiscreetly

• babble
• babble out
• blab
• blab out
• let the cat out of the bag
• peach
• sing
• spill the beans
• talk
• tattle
• revealing
• telling

2. (adjective) disclosing unintentionally

• blabbermouth
• talebearer
• taleteller
• tattler
• tattletale
• singing
• tattle
• telling