D defs.my
Entry 3 senses · 3 variants Webster, 1913

Blab

/(blăb)/ · IPA /blæb/
01 v. t. To utter or tell unnecessarily, or in a thoughtless manner; to publish (secrets or trifles) without reserve or discretion; -- sometimes use…
imp. & p. p. Blabbed; p. pr. & vb. n. Blabbing
  1. 1.
    To utter or tell unnecessarily, or in a thoughtless manner; to publish (secrets or trifles) without reserve or discretion; -- sometimes used with out.
    “And yonder a vile physician blabbing The case of his patient.” Tennyson.
02 v. i. To talk thoughtlessly or without discretion; to tattle; to tell tales.
  1. 1.
    To talk thoughtlessly or without discretion; to tattle; to tell tales.
    “She must burst or blab.” Dryden.
03 n. One who blabs; a babbler; a telltale.
  1. 1.
    One who blabs; a babbler; a telltale.
    “For who will open himself to a blab or a babbler.” Bacon.