Definition of blabbermouth:
Synonyms for blabbermouth:
magpie, dog, gasbag, blowhard, telltale, babbler, prattler, motormouth, grass, talker, informer, mole, taleteller, windbag, chatterbox, chatterer, talebearer, tattler, stool pigeon, informant, blabber, jay, cackler, tattletale, bigmouth, sneak, gabbler, cackler, snitch, nark, jabberer, gossip, conversationalist.
- "Time Crime", H. Beam Piper.
- "Null-ABC", Henry Beam Piper and John Joseph McGuire.
If you wanted admission, you had to walk a delicate line between showing your superiors that you possessed enough valuable hacking information to be elite and not showing them so much they would brand you a blabbermouth.- "Underground", Suelette Dreyfus.