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
Onerous is a synonym for heavy in difficult topic. In some cases you can use "Onerous" instead the word "Heavy" as an adjective or a noun, when it comes to topics like burdensome, arduous. popular alternative
Onerous
Onerous adjective - Difficult to endure.
Usage example: had the onerous and stressful job of notifying the families of soldiers killed in action
Heavy is a synonym for onerous in burdensome topic. You can use "Heavy" instead the word "Onerous" as an adjective or a noun, if it concerns topics such as difficult, trying. popular alternative
Nearby Word: onerously
Mutual synonyms
Cite this Source
Onerous and Heavy. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/heavy/onerous
Heavy & Onerous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/heavy/onerous>.
Onerous or Heavy. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/heavy/onerous.
Google Ngram Viewer shows how "heavy" and "onerous" have occurred on timeline