英音 /ɪnˈdef.ɪ.nət/

美音 /ɪnˈdef.(ə)n.ət/

[ adjective ] not exact, not clear, or without clear limits
不确定的；不清楚的；无限期的

例句：

The project has been postponed for an indefinite period. 这项目被无限期推迟了。

an indefinite number of people 不确定的人数

Such a policy would consign the poor to indefinite poverty. 这样一种政策将会使穷人陷于无限期的贫困。

However, The indefinite criminal record has many disadvantages, especially for minors. 但是，前科无限期的存在则会使得前科制度的弊端凸显，尤其是对未成年人这一特殊主体。

She will be away for the indefinite future. 她将离开一段时间，期限不定。

They seem determined to string the talks out for an indefinite period. 他们好像一心要把谈判无限期地拖下去。

The original plan was to hold an indefinite stoppage. 最初的计划是无限期停工。