0 present 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:
One guest at the crowded reception was heard to mutter "It's like the Black Hole of Calcutta in here."
She was muttering curses as she fumbled for the light switch.
In these admonitions and allusions, this muttering which is incomprehensible to the uninitiated, there is a note of truth.
The mutterings of the storm that is coming are very audible.
Any verbalization by the child which did not contain one of these social markers, including inaudible muttering and silent verbal lip movements, was taken as evidence of private speech.
It is no use his muttering from a sedentary or from a vertical position that we are going to close the hospital.
It is because the answer is the opposite to what he is muttering.
