Synonym: babble, babble out, blab out, blabber, chatter, clack, gabble, gibber, let the cat out of the bag, maunder, palaver, peach, piffle, prate, prattle, sing, spill the beans, talk, tattle, tittle-tattle, twaddle. Similar words: blabber, lab, slab, flab, labour, label, labor, slabs. Meaning: [blæb] 
v. 1. divulge confidential information or secrets 2. speak (about unimportant matters) rapidly and incessantly.
v. 1. divulge confidential information or secrets 2. speak (about unimportant matters) rapidly and incessantly. 
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1. Don't blab this to anyone.
2. Her mistake was to blab about their affair.
3. She will be sure to blab and it will be all over the town in no time.
4. You know she'll just blab all the secrets.
5. She'll blab it all over the school.
6. Who will open himself to a blab?
7. We never confided in her, because she would blab.
8. OK I'll tell you, but you'd better not blab!
9. People who blab on their car phones operate in an altered state.
9. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
10. He wouldn't blab, even to close friends, about family problems.
11. He blab bed my confidences to every one.
12. Those stories are false, just so much blab.
13. He that is a blab is a scab.
14. These stories are false, just so much blab.
15. I never pay any attention to blab like that.
16. He lets everyone else talk and blab and yabber away, all these guys trying to impress the women, and he just calmly listens from the edge of the group.
17. I'll be coming . " To hell with it! The rudeness of that big blab - mouth!