Mutter(n.) Repressed or obscure utterance.
Mutter(v. i.) To utter words indistinctly or with a low voice and lips partly closed; esp., to utter indistinct complaints or angry expressions; to grumble; to growl.
Mutter(v. i.) To sound with a low, rumbling noise.
Mutter(v. t.) To utter with imperfect articulations, or with a low voice; as, to mutter threats.
Muttered(imp. & p. p.) of Mutter
Mutterer(n.) One who mutters.
Muttering(p. pr. & vb. n.) of Mutter
Mutteringly(adv.) With a low voice and indistinct articulation; in a muttering manner.
Words within mutteringly