Breakthrough
Breakthrough noun - An instance of notable progress in the development of knowledge, technology, or skill.
Significant and breakthrough are semantically related. In some cases you can use "Significant" instead an adjective "Breakthrough".
Significant
Significant adjective - Clearly conveying a special meaning (as one's mood).
Breakthrough and significant are semantically related. Sometimes you can use "Breakthrough" instead an adjective "Significant".
Both words in one sentence
- The protagonist pines for the unrequited love of their significant other, only to later have a breakthrough and realize their own self-worth.
Source: Break Up to Make Up - Given that he's The Stoic, it's a pretty significant breakthrough.
Source: Sick Episode
Cite this Source
Significant and Breakthrough. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/breakthrough/significant
Breakthrough & Significant. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/breakthrough/significant>.
Significant or Breakthrough. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/breakthrough/significant.
Google Ngram Viewer shows how "breakthrough" and "significant" have occurred on timeline