Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “gibber”


verb [I] uk   /ˈdʒɪb.ər/ us    // mainly disapproving
to speak quickly in a way that cannot be understood, usually when you are very frightened or confused: Stop gibbering, man, and tell us what you saw.Ways of talking
adjective uk   /-ɪŋ/ us  
I stood there like a gibbering idiot.Stupid and sillyOf unsound mind
(Definition of gibber from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of gibber?
Add Cambridge dictionaries to your browser to your website

Word of the Day


(done by) moving the arm below shoulder level

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More