Antebellum means ‘from the time before a war’. The Latin is plain: ante (before) + bellum (war). In English, though, it is not a free word for ‘before just any war’.

Antebellum meansAntebellum的意思是 'from the time before a war''戰爭之前的那段時間'。 The Latin is plain拉丁字源很直白 ante (before) + bellum (war)ante（之前）加bellum（戰爭）。 In English, though不過在英文裡 it is not a free word for 'before just any war'這個字不能隨便用來指'任何一場戰爭之前'。

Americans almost always use it about one war — the American Civil War (1861–1865). Antebellum houses, the antebellum South, antebellum days: these point at the decades before that war, especially in the southern states, with the big plantation houses and, though tidy tourist talk sometimes skips this, the system of slavery that sat under a lot of that wealth.

Americans almost always use it about one war美國人幾乎都只用它指一場戰爭 the American Civil War (1861–1865)就是美國南北戰爭（1861–1865）。 Antebellum houses, the antebellum South, antebellum days像'antebellum houses'（戰前的房子）、'the antebellum South'（戰前的南方）、'antebellum days'（戰前的年代） these point at the decades before that war, especially in the southern states這些都是在講那場戰爭之前的幾十年，尤其是南方各州 with the big plantation houses有著大莊園豪宅 and, though tidy tourist talk sometimes skips this, the system of slavery that sat under a lot of that wealth而雖然觀光導覽的說法有時候會略過，那份財富底下很多是靠奴隸制度撐起來的。

It is not a general synonym for old-fashioned, and it is not ‘anti-war’.

It is not a general synonym for old-fashioned這不是'老式'的通用同義詞 and it is not 'anti-war'也不是'反戰'的意思。

Outside US history it sounds marked, a little literary. If you mean ‘before the Second World War’, say that; antebellum will send people to America in the 1800s.

Outside US history it sounds marked用在美國歷史以外的地方會顯得很突兀 a little literary也有點文學腔。 If you mean 'before the Second World War', say that如果你是想講'二戰之前'，就直接那樣說 antebellum will send people to America in the 1800santebellum會讓人聯想到十九世紀的美國。