verb
blab
blab
verb
1
To talk carelessly about something that should be kept private.
"He blabbed about the surprise party to the whole office."
"Don't blab our plans to anyone."
noun
1
Someone who talks too freely about things meant to stay secret.
"She's such a blab, I can't trust her with anything."
How to Use Blab
Learner’s notesIn plain EnglishTo let a secret slip by talking too much.
Common mistake
Related to but slightly different from "blabber", which leans more toward rambling nonsense than leaking a specific secret.
Easily confused with
Word Forms
blabbed past tense, blabs plural, blabs singular
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Etymology
From Middle English blabben, "to talk foolishly", likely related to a word for idle chatter.