Breakthrough
Breakthrough noun - An instance of notable progress in the development of knowledge, technology, or skill.
Developed and breakthrough are semantically related. In some cases you can use "Developed" instead an adjective "Breakthrough".
Developed
Developed adjective - Being far along in development.
Breakthrough and developed are semantically related. Sometimes you can use "Breakthrough" instead an adjective "Developed".
Both words in one sentence
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Talking about IS tanks ( Iossif Stalin, by the way), don't forget the IS-2, a heavy, breakthrough tank developed to counter the German Panthers & Tigers whose main armament was a 122mm gun.
Source: Tank Goodness -
Spells are developed through scientific laboratory research, and the limits of magic are constantly tested in hopes of a Breakthrough that might amend the rules or even remove one of the Limits of Magic.
Source: Tabletop Game / Ars Magica - Even her breakthrough hits from the mid-1990s ("My Baby Loves Me", "Independence Day", "Wild Angels", etc.) can seem like this compared to the much slicker, poppier, melismatic sound she developed as early as "A Broken Wing" in 1997.
Cite this Source
Developed and Breakthrough. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/breakthrough/developed
Breakthrough & Developed. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/breakthrough/developed>.
Developed or Breakthrough. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/breakthrough/developed.
Google Ngram Viewer shows how "breakthrough" and "developed" have occurred on timeline