Select the most appropriate synonym of the given word.

Breakthrough

Discovery

The most appropriate synonym of the given word breakthrough is discovery.

• Breakthrough means "a significant advance or discovery."
• Discovery means "the act of finding something that was previously unknown or hidden."
• Disaster means "a sudden, calamitous event; a catastrophe."
• Coincidence means "the chance occurrence of events that seem to have a causal connection, especially when these events are considered improbable."
• Accident means "an unfortunate event that happens unexpectedly and unintentionally, typically resulting in damage or injury."