gibberish

noun

gib·​ber·​ish ˈji-brish  ˈji-bə-rish 

ˈgi-

: unintelligible or meaningless language:

a

: a technical or esoteric (see esoteric sense 1) language

The doctors spoke to one another in their medical gibberish that I was unable to follow.

b

: pretentious or needlessly obscure language

The substance of the philosopher's work is buried in polysyllabic gibberish.

Synonyms of gibberish

• nonsense
• babble
• prattle
• gabble
• jabber
• chatter
• gibber

Examples of gibberish in a Sentence

She was talking gibberish in her sleep.

was so excited he could only talk gibberish

Recent Examples on the Web

Naturally, Luke and Vader make lightsaber noises and the odd gibberish babble. —Simon Hill, Wired News, 25 Mar. 2026

But Bhatta was hypothermic and occasionally babbled gibberish. —Gregory Thomas, San Francisco Chronicle, 14 Mar. 2026

Imagine designing a system that conforms to that gibberish, or the ensuing court battles. —The Editorial Board, Oc Register, 25 Jan. 2026

In Anthropic’s experiments, as few as 250 malicious documents were enough to induce AI models to output gibberish. —Craig S. Smith, Forbes.com, 21 Jan. 2026

Word History

Etymology

probably from gibber

First Known Use

circa 1554, in the meaning defined above

Kids Definition

gibberish

noun

gib·​ber·​ish ˈjib-(ə-)rish  ˈgib- 

: confused meaningless talk