名詞 incurable:

1. a person whose disease is incurable

形容詞 incurable:

1. incapable of being cured
2. unalterable in disposition or habits

1. The cat was evidently incurable and the old couple had to get it put away.
   這只貓的病顯然沒(méi)法治好了，老夫婦只得請(qǐng)人把它殺掉。
2. The disease from which he died was at that time incurable.
   他死于一種那個(gè)年代不能醫(yī)治的病。
3. The child has an incurable habit.
   那孩子有個(gè)無(wú)法矯正的習(xí)慣。
4. He was found in incurable disease.
   他被查出得了不治之癥。

in.cur.a.ble

adj.（形容詞）
Being such that a cure is impossible; not curable:
不能醫(yī)治的；無(wú)藥可救的：情況如此以致不可救藥的；治不了的：
例句：
an incurable disease.
一種無(wú)法治好的疾病

Incapable of being altered, as in disposition or habits:
無(wú)法改變的；不能矯正的：性情或習(xí)慣無(wú)法更改的：
例句：
an incurable optimist; an incurable smoker.
堅(jiān)定不移的樂(lè)觀主義者；不可救藥的煙民

【引伸】
incur.abil.ity 或
incur.ableness
n.（名詞）
incur.able
n.（名詞）
incur.ably
adv.（副詞）