noun. someone who gossips indiscreetly.
- blabber (English)
- blaberen (Middle English (1100-1500))
- mouth (English)
- mouth (Middle English (1100-1500))
Example sentences of the word blabbermouth
1. Noun, singular or mass
If your cat's always been a little blabbermouth and is suddenly hoarse, consider that a sign his larynx is saying “Enough already!” and put a figurative muzzle on him for a few days.