Muttered
Soundless
Soundless adjective - Mostly or entirely without sound.
Muttered and soundless are semantically related. Sometimes you can use "Muttered" instead an adjective "Soundless".
Nearby Words: sound, soundlessly
Mutual synonyms
Cite this Source
Soundless and Muttered. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/muttered/soundless
Muttered & Soundless. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/muttered/soundless>.
Soundless or Muttered. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/muttered/soundless.
Google Ngram Viewer shows how "muttered" and "soundless" have occurred on timeline