Speak indistinctly
To mumble and speak indistinctly are semantically related. In some cases you can replace phrase "To mumble" with "Speak indistinctly", this phrases are similar.
To mumble
Speak indistinctly and to mumble are semantically related. You can use "Speak indistinctly" instead a verb phrase "To mumble".
Cite this Source
To mumble and Speak indistinctly. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/speak_indistinctly/to_mumble
Speak indistinctly & To mumble. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/speak_indistinctly/to_mumble>.
To mumble or Speak indistinctly. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/speak_indistinctly/to_mumble.
Google Ngram Viewer shows how "speak indistinctly" and "to mumble" have occurred on timeline