0 past simple and past participle of mutter --
1 to speak quietly and in a low voice that is not easy to hear, often when you are worried or complaining about something: --
His troops gathered in a circle to discuss the challenge and his knights muttered amongst themselves but the king boldly took seven steps forward.
We often hear it muttered about in other areas—the convoy theory, the inner group agreeing to this, that or the other, and the outer group not doing so.
He muttered "1971" on one occasion.
Only one person muttered to me in the street that there might be a case for road widening, but he had not really thought about it.
They muttered harshly at that.
Someone muttered that it was a rumour.
When he was challenged, he muttered about computers and machine tools which, by any definition, are not comparable since one must define the starting point in any of these things.
I think that that was the gist of what he has just muttered.
