Mule and Refractory

Mule

Mule noun - Hybrid offspring of a male donkey and a female horse; usually sterile.

Refractory and mule are semantically related. in stubborn topic. In some cases you can use "Refractory" instead an adjective "Mule".

Refractory

Refractory adjective - Given to resisting authority or another's control.

Mule and refractory are semantically related. Sometimes you can use "Mule" instead an adjective "Refractory".

Cite this Source
Refractory and Mule. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/mule/refractory
Mule & Refractory. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/mule/refractory>.
Refractory or Mule. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/mule/refractory.
Google Ngram Viewer shows how "mule" and "refractory" have occurred on timeline