Mutter and Speak up

Opposite meaning terms

Mutter verb - To speak softly and unclearly.

Usage example: muttering to himself under his breath

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Speak up is an antonym for mutter.

Nearby Words: mutt, muttered, muttering

Speak up verb - To voice one's opinions freely with force.

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Mutter is an antonym for speak up.

Cite this Source

Speak up and Mutter. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/mutter/speak_up

Mutter & Speak up. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/mutter/speak_up>.

Speak up or Mutter. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/mutter/speak_up.

Google Ngram Viewer shows how "mutter" and "speak up" have occurred on timeline