Rough
Rough adjective - Covered with or as if with hair.
Tough proposition and rough are semantically related In some cases you can use "Tough proposition" instead an adjective "Rough".
Tough proposition
Rough and tough proposition are semantically related in difficult topic. Sometimes you can use "Rough" instead an adjective phrase "Tough proposition".
Cite this Source
Tough proposition and Rough. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/rough/tough_proposition
Rough & Tough proposition. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/rough/tough_proposition>.
Tough proposition or Rough. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/rough/tough_proposition.
Google Ngram Viewer shows how "rough" and "tough proposition" have occurred on timeline