BLABBERMOUTH /ˈblæb.ə(ɹ)ˌmaʊθ/ Scrabble 23 Words With Friends 28 Definition noun someone who gossips indiscreetly. — synonyms: tattletale, tattler, taleteller, talebearer, telltale Examples “If it weren't for that blabbermouth Sally, the principal would never have known we did it.” See all 635 words you can make from BLABBERMOUTH → 12-letter words Words starting with B Words ending with H ← Unscramble different letters