blab

1 of 2

noun

ˈblab How to pronounce blab (audio)
Synonyms of blabnext
1
archaic : one that blabs : tattletale
2
: idle or excessive talk : chatter
blabby
ˈbla-bē How to pronounce blab (audio)
adjective

blab

2 of 2

verb

blabbed; blabbing

intransitive verb

1
: to talk idly or thoughtlessly
2
: to reveal a secret especially by indiscreet chatter

transitive verb

: to reveal especially without reserve or discretion
blabbed the whole affair to the press

Synonyms of blab

Relevance

Verb

See All Synonyms & Antonyms in Thesaurus

Examples of blab in a Sentence

Verb Don't tell Mary. She'll blab it all over town. “How did she find out about the surprise party?” “Tom blabbed.” He kept blabbing on and on about politics.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Touring musicians drop by either of the store’s two cavernous locations, prowl the labyrinthine sales floor, grab up records by the armful for an hour or so, then blab about their purchases on camera. — Chris Richards, Washington Post, 5 Jan. 2023 The unknowing apprentice blabs about red hair and more to Cressida, who then takes the information to blackmail Penelope into paying her a huge sum. — Dessi Gomez, Deadline, 13 June 2024
Verb
But Cirie ended up telling her husband, and her husband blabbed to Trish. — EW.com, 13 Aug. 2025 Zac also blabs that Bret and Demi have skeletons in their closet and are working to get a cease-and-desist. — Olivia Crandall, Vulture, 18 May 2025 See All Example Sentences for blab

Word History

Etymology

Noun

Middle English blabbe; akin to Middle English blaberen

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of blab was in the 14th century

Browse Nearby Words

blaauw wildebeest
blab
blabber
See all Nearby Words

Cite this Entry

“Blab.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blab. Accessed 7 Jul. 2026.

Copy Citation

Kids Definition

blab

2 of 2 verb
blabbed; blabbing
1
: to make known by careless talk
blab a secret
2
: to talk too much
blabber noun

More from Merriam-Webster on blab

Nglish: Translation of blab for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All