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  1. Dictionary
    breakthrough
    /ˈbreɪkθruː/

    noun

    • 1. a sudden, dramatic, and important discovery or development: "a major breakthrough in DNA research"

    More definitions, origin and scrabble points

  2. an important discovery or event that helps to improve a situation or provide an answer to a problem: Scientists are hoping for a breakthrough in the search for a cure for cancer. A major breakthrough in negotiations has been achieved. Fewer examples. This drug has been heralded as a major breakthrough in the fight against breast cancer.

  3. an important discovery or event that helps to improve a situation or provide an answer to a problem: Scientists are hoping for a breakthrough in the search for a cure for cancer. A major breakthrough in negotiations has been achieved. Fewer examples. This drug has been heralded as a major breakthrough in the fight against breast cancer.

  4. any significant or sudden advance, development, achievement, or increase, as in scientific knowledge or diplomacy, that removes a barrier to progress: The jet engine was a major breakthrough in air transport.

  5. The meaning of BREAKTHROUGH is a sudden advance especially in knowledge or technique. How to use breakthrough in a sentence.

  6. Definition of breakthrough noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  7. 5 meanings: 1. a significant development or discovery, esp in science 2. an action or event that represents the removal of a.... Click for more definitions.

  8. BREAKTHROUGH definition: an important discovery or development that helps solve a problem: . Learn more.

  9. adjective. /ˈbreɪkθruː/ [only before noun] in which a performer or type of product is successful for the first time, when it is likely to be even more successful in the future. It was a breakthrough album for the band. breakthrough technology/products. an award for the best breakthrough band.

  10. An amazing discovery or a huge amount of progress can be called a breakthrough. The discovery of penicillin in 1928 was a breakthrough for modern medicine. A personal breakthrough might be overcoming your fear of spiders once and for all.

  11. Breakthrough definition: An act of overcoming or penetrating an obstacle or restriction.