Definition of breakthrough in English:

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Pronunciation: /ˈbrākˌTHro͞o/


1A sudden, dramatic, and important discovery or development: a major breakthrough in DNA research
More example sentences
  • The secret to the Pool Putter's success are two key breakthroughs discovered by Swedish engineer Leif Sundberg.
  • The panels have been chosen to represent major breakthroughs achieved by the CSIR in scientific research.
  • Scientists at the University of York have made a major breakthrough in the fight against prostate cancer.
advance, development, step forward, success, improvement;
discovery, innovation, revolution;
progress, headway
1.1An instance of achieving success in a particular sphere or activity: her big breakthrough came on the stage when she won a Tony Award in 1958 [as modifier]: the band’s breakthrough album
More example sentences
  • Kiyoshi Kurosawa's breakthrough film, Cure (1997) proved he knows horror better than the rest.
  • His biggest breakthrough came in 1976 with the release of "Wanted!".
  • The breakthrough concept DVD is part of the company's 25th anniversary celebration for 2005.
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