Heavy
Heavy adjective - Difficult to endure.
Usage example: ignoring common sense, she drank the parasite-infested pond water and paid a heavy penalty for it
Mutual synonyms
Cite this Source
Rigorous and Heavy. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/heavy/rigorous
Heavy & Rigorous. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/heavy/rigorous>.
Rigorous or Heavy. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/heavy/rigorous.
Google Ngram Viewer shows how "heavy" and "rigorous" have occurred on timeline