Boon
Boon adjective - Likely to seek or enjoy the company of others.
Usage example: I and my boon companions celebrated that afternoon's victory on the gridiron with a night at a local dance club
Mum
Mum adjective - Deliberately refraining from speech.
Cite this Source
Mum and Boon. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/boon/mum
Boon & Mum. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/boon/mum>.
Mum or Boon. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/boon/mum.
Google Ngram Viewer shows how "boon" and "mum" have occurred on timeline