(noun, adjective)


1. Characterized by major progress or overcoming some obstacle.

- a breakthrough technological advance


1. a productive insight

Similar word(s): discovery, find

Definition categories: thought, brainstorm, brainwave, insight

2. making an important discovery

Definition categories: act, discovery, find, uncovering

3. a penetration of a barrier such as an enemy's defense

Definition categories: act, incursion, penetration

Sentences with breakthrough as a noun:

- Albert Einstein is credited with making some of the greatest breakthroughs in modern physics.