Definition of 'blab'

Verb

1. divulge confidential information or secrets; "Be careful--his secretary talks"
      Synonyms: spill the beans let the cat out of the bag talk tattle peach babble sing babble out blab out
      Antonyms: keep quiet shut one's mouth keep one's mouth shut
2. speak (about unimportant matters) rapidly and incessantly
      Synonyms: chatter piffle palaver prate tittle-tattle twaddle clack maunder prattle gibber tattle blabber gabble

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