verb
- to speak in a low voice that is difficult to hear, often when complaining or angry
- to say something quietly and unclearly, especially complaints or angry words
noun
- words spoken in a low, unclear voice
Examples
- She began to mutter under her breath about the unfair treatment.
- He muttered something about being late for his appointment.
- The students muttered complaints about the difficult exam.
- I could hear him mutter angrily as he walked away.
- There was a low mutter of disapproval from the crowd.
- She spoke in barely more than a mutter.
- His response was just an unintelligible mutter.