Hardest
Roughly and hardest are semantically related. in with difficulty topic. In some cases you can use "Roughly" instead an adverb "Hardest", when it comes to topics like with great force.
Mutual synonyms
Both words in one sentence
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And a few years back, the Underworld, already the hardest and longest dungeon in the game (a normal run can take 3 hours or more), got an endboss, with roughly 100,000 health.
Source: Damage-Sponge Boss
Cite this Source
Roughly and Hardest. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hardest/roughly
Hardest & Roughly. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hardest/roughly>.
Roughly or Hardest. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hardest/roughly.
Google Ngram Viewer shows how "hardest" and "roughly" have occurred on timeline