Rigorous and Uphill

Rigorous

Rigorous adjective - Requiring considerable physical or mental effort.
Usage example: studied for umpteen months for the rigorous exam

Uphill and rigorous are semantically related. In some cases you can use "Uphill" instead an adjective "Rigorous".

Nearby Words: rigorously, rigor, rigour, rigorism

Uphill

Uphill adjective - Requiring considerable physical or mental effort.
Usage example: an uphill battle to eradicate poverty in an area of the state that has never known anything else

Rigorous and uphill are semantically related. Sometimes you can use "Rigorous" instead an adjective "Uphill".
Cite this Source
Uphill and Rigorous. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/rigorous/uphill
Rigorous & Uphill. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/rigorous/uphill>.
Uphill or Rigorous. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/rigorous/uphill.
Google Ngram Viewer shows how "rigorous" and "uphill" have occurred on timeline