v. to speak in a low tone that is hard to understand; mumble; n. quiet complaining speech that is hard to understand or not clear.
He spoke in a mutter.
He spoke in a mutter.
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What does Max mutter under his breath when he takes standardized tests?
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His mutter was unmistakably a command.
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mumble; grumble; grunt; moan
speak clearly
2 syllables
mut-ter
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