breakthrough

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a productive insight
  2. noun making an important discovery
  3. noun a penetration of a barrier such as an enemy's defense

Etymology

From break + through. Compare German Durchbruch and Dutch doorbraak (“breakthrough”, literally “through-break”).

In classic literature

Synonyms

discovery, find

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