Definition of "breakthrough" []

  • An act of overcoming or penetrating an obstacle or restriction. (noun)
  • A military offensive that penetrates an enemy's lines of defense. (noun)
  • A major achievement or success that permits further progress, as in technology. (noun)
  • A significant development or discovery, esp in science (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • An action or event that represents the removal of a previously existing obstacle or barrier to progress (noun)
  • A great success that takes you to a different level in a particular profession, e.g. show business (noun)
  • The penetration of an enemy's defensive position or line in depth and strength (noun)
  • That brings you success and recognition and take you to a higher level in your profession (modifier) (c) HarperCollins Publishers Ltd 2016

Use "breakthrough" in a sentence
  • "The term breakthrough innovation is used consciously as opposed to nominal or incremental innovation with little or no social value."
  • "SECRETARY ALBRIGHT: Well, first of all, I think -- the term breakthrough I think gets overused."
  • "Okay, okay, the word breakthrough has been hopelessly overused … and thus cheapened beyond recognition."