• IPA^(key): /ˈd͡ʒæbə(ɹ)/

• Audio (Southern England):

  (file)

• Rhymes: -æbə(ɹ)

From Middle English jaberen, javeren, chaveren (“to chatter, babble”), dissimilated forms of jablen, chavelen (“to jabber”), from Middle English chavel ("jaw"; > modern English jowl). Equivalent to jowl +‎ -er (iterative suffix).

jabber (third-person singular simple present jabbers, present participle jabbering, simple past and past participle jabbered)

1. (intransitive) To talk rapidly, indistinctly, or unintelligibly; to utter gibberish or nonsense.
   • 1829, James Hogg, The Shepherd’s Calendar, New York: A.T. Goodrich, Volume I, Chapter 9, “Mary Burnet,” p. 184,^[1]

     Allanson made some sound in his throat, as if attempting to speak, but his tongue refused its office, and he only jabbered.

   • 1851 November 14, Herman Melville, “Chapter 19”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC:

     “What are you jabbering about, shipmate?” said I.

2. (transitive) To utter rapidly or indistinctly; to gabble.
   • 1913, Joseph C[rosby] Lincoln, chapter XII, in Mr. Pratt’s Patients, New York, N.Y., London: D[aniel] Appleton and Company, →OCLC:

     She had Lord James' collar in one big fist and she pounded the table with the other and talked a blue streak. Nobody could make out plain what she said, for she was mainly jabbering Swede lingo, but there was English enough, of a kind, to give us some idee.

   • 1939, H. G. Wells, The Holy Terror‎^[2], Book One, Chapter 1, Section 2:

     He wept very little, but when he wept he howled aloud, and jabbered wild abuse, threats and recriminations through the wet torrent of his howling.

jabber (uncountable)

1. Rapid or incoherent talk, with indistinct utterance; gibberish.
   • 1735, Jonathan Swift, Gulliver’s Travels, in The Works of Jonathan Swift, edited by George Faulkner, Dublin, 1735, Volume 3, A Letter from Capt. Gulliver to his Cousin Sympson, pp. v-vi,^[3]

     And, is there less Probability in my Account of the Houyhnhnms or Yahoos, when it is manifest as to the latter, there are so many Thousands even in this City, who only differ from their Brother Brutes in Houyhnhnmland, because they use a Sort of a Jabber, and do not go naked.

   • 1918, Carl Sandburg, “Jabberers”, in Cornhuskers‎^[4], New York: Henry Holt & Co, page 68:

     Two tongues from the depths,
     Alike only as a yellow cat and a green parrot are alike,
     Fling their staccato tantalizations
     Into a wildcat jabber
     Over a gossamer web of unanswerables.

   • 1996 July, Bruce Sterling, “Is Phoenix Burning”, in Wired‎^[5], →ISSN:

     Mark Pauline has a good line of gab, in his elliptical, left-handed fashion. He's at relative rhetorical ease with classy theoretical jabber such as emergent behavior, cyborganics, chaos theory, transparent interfaces, artificial life, and the machinic phylum.

• jabberment (obsolete)
• jabbersome
• jibber-jabber

From jab +‎ -er.

jabber (plural jabbers)

1. One who or that which jabs.
   • 1939, Edwin L. Haislet, Boxing in Education, page 160:

     Have the boys box, one jabbing and the other practicing the methods of boxing a jabber.

2. (informal) One who administers a hypodermic injection, especially of a COVID-19 vaccine.
3. A kind of hand-operated corn planter.
   • 1999, Nicholas P. Hardeman, Across the Bloody Chasm:

     The jabber was the most popular hand-operated corn planter ever devised. […] Inset shows jaws closed for jabbing (left) and open for depositing kernels (right).

• jabbee

• anti-jabber
• jobbie jabber
• jobby jabber
• projabber
• pro-jabber