I. verb
to utter with a low inarticulate voice
embarrassed, he mumbled an apology
Synonyms: ||chunter, fumble, muddle, ||mump, murmur, mutter, swallow
Related Word: maunder; limp, shuffle, stumble; ||hammer, stammer, ||stut, stutter; speak, talk, utter, verbalize, vocalize, voice
Idioms: speak with mush in one's mouth
Contrasted words: speak out, speak up; clamor, cry out, shout, vociferate
II. noun
Synonyms: murmur 1, mutter, rumor, susurration, undertone, whisper