Mutter
Mutter noun - Speech that is not clear enough to be understood.
Whispering and mutter are semantically related In some cases you can use "Whispering" instead a noun "Mutter".
Whispering
Whispering noun - Speaking softly without vibration of the vocal cords.
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Synonyms for Whispering
Mutter and whispering are semantically related in murmur topic. You can use "Mutter" instead the word "Whispering" as a noun or a verb, if it concerns topics such as grumble.
Mutual synonyms
Cite this Source
Whispering and Mutter. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/mutter/whispering
Mutter & Whispering. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/mutter/whispering>.
Whispering or Mutter. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/mutter/whispering.
Google Ngram Viewer shows how "mutter" and "whispering" have occurred on timeline