A political and social system that no longer governs (especially the system that existed in France before the French Revolution) WordNet 3.0 & Open English WordNet

The Ancien Régime, now a common metaphor for "a system or mode no longer prevailing", was the political and social system of the Kingdom of France that the French Revolution overturned through its abolition in 1790 of the feudal system of the French nobility and in 1792 through its execution of the king and declaration of a republic. Wikipedia

A term for the aristocratic system before the French Revolution. Wikipedia Disambiguation

Monarchic, aristocratic, social and political system established in the Kingdom of France from approximately the 15th century until the later 18th century Wikidata

The aristocratic social and political system established in France under the Valois and Bourbon dynasties, overthrown by the French Revolution of 1789. Wiktionary

Aristocratic system in France before the French Revolution. Wiktionary (translation)