Mum
Mum adjective - Deliberately refraining from speech.
Cite this Source
Shush and Mum. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/mum/shush
Mum & Shush. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/mum/shush>.
Shush or Mum. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/mum/shush.
Google Ngram Viewer shows how "mum" and "shush" have occurred on timeline