What lot or what part has her glory in madmen who gibber and shriek?
A monkey chained in one corner began to gibber and mow at me.
Persis looked at him, wondering if he had gone mad and begun to gibber.
Never a word they said, never a sound from the mouths that seemed to gibber.
It is very depressing to suffer from gibber that cannot be brought to a head.
To do so, with all those noises fraying the edges of her brain, would be to gibber!
Why, I've heard them gibber of things one mustn't eat till I writhed in anguish.
"We ought to get up a testimonial and give it to him, because he did not gibber," said Blanche.
She had expected that some demon within him would spring out and gibber.
gibberish is no doubt derived from gibber, and it means idle nonsense.