Pronunciation: /ˈmʌtər/
noun a quiet or mumbled utterance
A1 She heard a faint mutter coming from the other room.
A2 The mutter of the crowd grew louder as the concert started.
B1 His constant mutter of complaints made it hard to concentrate.
B2 The mutter of discontent among the employees was growing louder.
C1 The mutter of conspiracy could be heard in the corridors of power.
C2 The low mutter of voices in the courtroom signaled the tension in the air.
verb to speak quietly and indistinctly
A1 She muttered under her breath when she couldn't find her keys.
A2 The old man muttered about the weather as he walked down the street.
B1 The students muttered amongst themselves before the exam started.
B2 He muttered a few words of encouragement before his big presentation.
C1 The politician muttered a response to the reporter's question without giving a clear answer.
C2 She muttered a curse under her breath as she realized she had missed her flight.
adverb in a low, indistinct voice
A1 She muttered quietly to herself as she worked on her homework.
A2 He muttered under his breath when he realized he forgot his wallet at home.
B1 The students muttered amongst themselves about the difficult test they had just taken.
B2 The politician muttered angrily during the heated debate.
C1 The professor muttered sarcastically as he graded the poorly written essays.
C2 The actress muttered her lines flawlessly during the intense scene.
formal She could hear her colleague mutter under his breath as he walked away.
informal I caught my brother muttering about his bad day at work.
slang The guy at the bar kept muttering about his ex-girlfriend.
figurative The wind seemed to mutter secrets as it rustled through the trees.
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