breakthrough
Definitions
A sudden, dramatic, and important discovery or development.
An act of overcoming or penetrating an obstacle or restriction.
A significant advance in knowledge or achievement.
Examples
The scientists finally achieved a major breakthrough in their research on renewable energy.
After months of negotiations, the diplomats reached a breakthrough that could end the conflict.
Synonyms
discovery innovation advancement leap development finding revelation
Antonyms
setback stagnation failure regression deadlock impasse bottleneck