1
indefinite + noun
indefinite 作定语，表示时间、数量等不确定。
The meeting was postponed for an indefinite period.
会议无限期推迟。
无限期的；无期限的
先理解核心含义，再看它在真实句子里的用法。
无限期的；无期限的
without a fixed limit; lasting for an unknown or unlimited period of time
The meeting was postponed for an indefinite period.
会议无限期推迟。
Without limit; forever, or until further notice; not definite.
模糊的；不明确的
vague or not clearly defined or stated
Vague or unclear.
未决定的；未知的
not decided or not known
The project timeline remains indefinite due to budget uncertainties.
由于预算不确定，项目时间表仍然不明确。
AI contextual example
She gave an indefinite answer, leaving everyone confused about her plans.
她给出了一个模糊的答复，让所有人对她的计划感到困惑。
AI contextual example
The indefinite number of participants made it difficult to arrange seating.
不确定的参与者人数使得座位安排变得困难。
AI contextual example
must you be so indefinite?
你一定要这么含糊其辞吗?
WordNet
indefinite 作定语，表示时间、数量等不确定。
The meeting was postponed for an indefinite period.
会议无限期推迟。
作表语，常接 about 引出不确定的内容。
She was indefinite about her plans for the future.
她对未来的计划含糊其辞。
与系动词连用，表示状态持续。
The date of the event remains indefinite.
活动日期仍不确定。
Not this
The duration of the project is definite.
Use this
The duration of the project is indefinite.
学习者误将 definite（确定的）当作 indefinite（不确定的）使用，混淆了词义。correct：用 indefinite 表示不确定。
Not this
The contract is for an infinite period.
Use this
The contract is for an indefinite period.
infinite 意为无限的，而 indefinite 意为不确定的。拼写相似导致误用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
不定冠词
'A' is the indefinite article in English.
“A”是英语中的不定冠词。
无限期
The contract is for an indefinite period.
合同是无限期的。
无限期休假
She is on indefinite leave from her position.
她正在无限期休假。
无限期拘留
The government's policy of indefinite detention has been widely criticized.
政府无限期拘留的政策受到广泛批评。
无限期推迟
The committee announced the indefinite postponement of the meeting.
委员会宣布无限期推迟会议。
无限期罢工
The union called for an indefinite strike.
工会号召无限期罢工。
Use indefinite naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
in（不）+ definite（确定的，有限的）→ 不确定的、无限期的。想象一份合同没写截止日期，时间“不定”。
语域：formal 常见场景：official announcements、legal documents、news reports 作“无限期的、没有明确期限”讲时，多用于正式或书面场合，通常出现在官方公告、法律文书和新闻报道中。日常口语较少单用 indefinite，可搭配 period 或直接用副词 indefinitely。
作定语或表语；后接about表示在某方面不确定。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.