英 [ˌʌndɪˈfaɪnd] 美 [ˌʌndɪˈfaɪnd]
adj.
未阐明的;未限定的
例句
As we shall not deal with algorithmic problems, we leave the term "efficient" undefined.
因为不讨论算法问题，我们对“有效”这一术语不作具体解释。
Now, many of you might worry that the notion of well-being is truly undefined,
或许在你们之中，有许多人会担心这所谓的幸福该如何界定这似乎没有一定的标准
The application name for one of the rules is undefined.
规则中的程序名没有定义。
