Breakthrough
Breakthrough noun - An instance of notable progress in the development of knowledge, technology, or skill.
Difficult and breakthrough are semantically related. In some cases you can use "Difficult" instead an adjective "Breakthrough".
Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Breakthrough and difficult are semantically related. Sometimes you can use "Breakthrough" instead an adjective "Difficult".
Nearby Word: difficulty
Both words in one sentence
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Time to Unlock More True Potential: Once you get to Kamurocho, you can challenge Sotaro Komaki and Sosuke at the same time into a duel with any character, which is so difficult that it pushes your mind and body so hard that it will trigger a "breakthrough".
Source: Video Game / Yakuza 5
Cite this Source
Difficult and Breakthrough. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/breakthrough/difficult
Breakthrough & Difficult. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/breakthrough/difficult>.
Difficult or Breakthrough. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/breakthrough/difficult.
Google Ngram Viewer shows how "breakthrough" and "difficult" have occurred on timeline