BLAB

chatter, piffle, palaver, prate, tittle-tattle, twaddle, clack, maunder, prattle, blab, gibber, tattle, blabber, gabble

(verb) speak (about unimportant matters) rapidly and incessantly

Source: WordNet® 3.1

Etymology

Verb

blab (third-person singular simple present blabs, present participle blabbing, simple past and past participle blabbed)

(ambitransitive) To tell tales; to gossip without reserve or discretion.

Synonyms

• See also prattle

Noun

blab (countable and uncountable, plural blabs)

(countable) One who blabs; a babbler; a telltale; a gossip or gossiper.

(uncountable) Gossip; prattle.

Synonyms

• (one who blabs): See also chatterbox or gossiper

• (gossip, prattle): See also chatter or gossip

Source: Wiktionary

Blab, v. t. [imp. & p. p. Blabbed (p. pr. & vb. n. Blabbing.] Etym: [Cf. OE. blaberen, or Dan. blabbre, G. plappern, Gael. blabaran a stammerer; prob. of imitative origin. Cf. also Blubber, v.]

Definition: To utter or tell unnecessarily, or in a thoughtless manner; to publish (secrets or trifles) without reserve or discretion. Udall. And yonder a vile physician blabbing The case of his patient. Tennyson.

Blab, v. i.

Definition: To talk thoughtlessly or without discretion; to tattle; to tell tales. She must burst or blab. Dryden.

Blab, n. Etym: [OE. blabbe.]

Definition: One who blabs; a babbler; a telltale. "Avoided as a blab." Milton. For who will open himself to a blab or a babbler. Bacon.

Source: Webster’s Unabridged Dictionary 1913 Edition