名詞 ex-:

1. a man who was formerly a certain woman's husband
   同義詞：ex-husband, ex
2. a woman who was formerly a particular man's wife
   同義詞：exwife, ex
3. the 24th letter of the Roman alphabet
   同義詞：X, letter x, ex

形容詞 ex-:

1. out of fashion
   同義詞：antique, demode, ex, old-fashioned, old-hat, outmoded, passe, passee

ex-
pref.（前綴）
Outside; out of; away from:
在…外面；向外；離開：
例句：
exodontia.
拔牙術(shù)

Not; without:
不；無：
例句：
excaudate.
無尾的

Former:
以前的，前任的：
例句：
ex-president.
前任總統(tǒng)

來源：
Middle English
中古英語
from Old French
源自 古法語
from Latin * see eghs
源自 拉丁語 *參見 eghs