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Definitions of mutter:

noun:   a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
noun:   a complaint uttered in a low and indistinct tone
verb:   make complaining remarks or noises under one's breath
verb:   talk indistinctly; usually in a low voice
name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #10862)

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Alternative Terms
mumble murmur whisper sounds-pleasant-sounds-unpleasant-sounds-neutral-sounds-or-silence grumble grunt happy-unhappy incantation wizard mutter-disambiguation studio-album rammstein april-2 2001 music-genre neue-deutsche-h-rte industrial-metal record-label record-producer jacob-hellner namex-explorations-inc q-magazine robert-christgau rolling-stone winnipeg-sun live-aus-berlin reise-reise german-language germany mein-herz-brennt sonne-song ich-will feuer-frei mutter-song spieluhr music-box richard-z-kruspe zwitter hermaphrodite spanish-language nebel-song christiane-herbold hallelujah-rammstein-song hallelujah japanese-language hidden-track sonne what-s-eating-gilbert-grissom xxx-5 till-lindemann singing electric-guitar-2 paul-landers oliver-riedel bass-guitar-2 christoph-schneider drum-kit christian-lorenz keyboard emigrate-2 deutsches-filmorchester-babelsberg herzeleid sehnsucht rosenrot du-riechst-so-gut du-hast stripped-song asche-zu-asche mein-teil amerika-song ohne-dich keine-lust benzin mann-gegen-mann original-single-kollektion lichtspielhaus v-lkerball schtiel witter-obscure-word chunter bark die-alte-mutter-und-kaiser-friedrich maunder auf-das-grab-von-schillers-mutter mutter-erde roman-von-vieren helene-weigel der-biberpelz muddie-computer-jargon mammer muggard paul-dessau

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