Arduous and Backbreaking

Arduous

Arduous adjective - Requiring considerable physical or mental effort.
Usage example: climbing Mount Everest is an arduous, exhausting challenge

Backbreaking is a synonym for arduous in difficult topic. In some cases you can use "Backbreaking" instead an adjective "Arduous", when it comes to topics like heavy. popular alternative

Nearby Word: arduously

Backbreaking

Backbreaking adjective - Requiring considerable physical or mental effort.
Usage example: modern machinery has significantly eased the backbreaking work of farming

Arduous is a synonym for backbreaking in strenuous topic. You can use "Arduous" instead an adjective "Backbreaking", if it concerns topics such as heavy. popular alternative
Cite this Source
Backbreaking and Arduous. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/arduous/backbreaking
Arduous & Backbreaking. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/arduous/backbreaking>.
Backbreaking or Arduous. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/arduous/backbreaking.
Google Ngram Viewer shows how "arduous" and "backbreaking" have occurred on timeline