Dictionary
mut•ter
Pronunciation: (mut'ur), [key]—
v.i.
1. to utter words indistinctly or in a low tone, often as if talking to oneself; murmur.
2. to complain murmuringly; grumble.
3. to make a low, rumbling sound.
—
v.t.
to utter indistinctly or in a low tone:
to mutter complaints.
—
n.
the act or utterance of a person who mutters.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.