verb \ˈmə-tər\

: to speak quietly so that it is difficult for other people to hear what you say

: to complain in a quiet or indirect way

Full Definition of MUTTER

intransitive verb
:  to utter sounds or words indistinctly or with a low voice and with the lips partly closed
:  to murmur complainingly or angrily :  grumble
transitive verb
:  to utter especially in a low or imperfectly articulated manner
mutter noun
mut·ter·er \-tər-ər\ noun

Examples of MUTTER

  1. She angrily muttered something about her bad luck.
  2. She sat practicing her speech, muttering to herself.
  3. Some employees are muttering about the changes in the pension plan.

Origin of MUTTER

Middle English muteren, of imitative origin
First Known Use: 14th century


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