Definition from Wiktionary, the free dictionary
antebellum (not comparable)
- Of the time period prior to a war.
- A renewed sense of national pride arose in Hitler's antebellum Germany.
- In the United States of America, of the period prior to the American Civil War, especially in reference to the culture of the southern states.
- Slavery was an accepted part of antebellum plantation life.
- (of a time prior to war): postbellum
period of time prior to a war