What does "reign of terror" mean?

A brutal period of political violence and intimidation in the wake of a popular revolution.

Reign of terror

Common synonyms include: anarchy, authoritarian rule, despotism, domination, domineering, era of terror.

noun

noun ·Rare ·Advanced level

Noun

1
A brutal period of political violence and intimidation in the wake of a popular revolution.
2
any period of brutal suppression thought to resemble the Reign of Terror in France wordnet
3
A period defined by tyranny and violation of rights without accountability for the party responsible. broadly

From the Reign of Terror that took place during the French Revolution.