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unfilled [noun]
unfilled 作定语时通常表示“未填写的；未交付的”。与 order 搭配常指订单尚未完成。
The supplier apologized for the unfilled orders.
供应商为未交付的订单道歉。
未交付的；未履行的
先理解核心含义，再看它在真实句子里的用法。
未交付的；未履行的
(of a purchase order) not filled or supplied
The supplier apologized for the unfilled orders.
供应商为未交付的订单道歉。
指订单等未被处理或交付，不是“未填充的”。
未填满的,尤指职位空缺的。
Not filled, especially occupational positions.
The manager asked the team to prioritize the unfilled purchase orders from March.
经理要求团队优先处理三月份未交付的采购订单。
Six purchase orders remained unfilled because the warehouse could not supply the stock.
由于仓库无法供货，有六份采购订单仍未履行。
The customer was angry because the company had left the order unfilled for several weeks.
顾客很生气，因为公司让该订单几周都没有交付。
unfilled 作定语时通常表示“未填写的；未交付的”。与 order 搭配常指订单尚未完成。
The supplier apologized for the unfilled orders.
供应商为未交付的订单道歉。
remain unfilled 是系表结构，强调订单等事物一直保持在未交付、未完成的状态。
Many orders remained unfilled because of the shipping delay.
由于运输延误，许多订单仍未交付。
leave sth unfilled 中 unfilled 是宾语补足语，表示让某事物保持未填充或未完成的状态。
The company left the order unfilled until the client signed the contract.
公司让该订单一直处于未交付状态，直到客户签署合同。
Not this
His dream remained unfilled after years of hard work.
Use this
His dream remained unfulfilled after years of hard work.
unfilled 表示“未填充的、未交付的”，而表示理想、诺言等“未实现、未履行”时要用 unfulfilled；两者拼写接近但含义不同。
Not this
The supplier unfilled the order, so we complained.
Use this
The supplier left the order unfilled, so we complained.
unfilled 是形容词，不是动词，不能直接接宾语当动词用；表示“没有完成订单”应说 leave the order unfilled 或 didn't fill the order。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
未填补的职位
The company has several unfilled positions in its engineering department.
公司工程部有几个尚未填补的职位。
未交付的订单
The factory worked overtime to clear its unfilled orders.
工厂加班以处理未交付的订单。
未配药的处方
The pharmacist noticed several unfilled prescriptions waiting on the shelf.
药剂师注意到货架上有几份尚未配药的处方。
未得到满足的需求
There is an unfilled demand for affordable housing in the city.
这座城市对经济适用住房的需求尚未得到满足。
未兑现的承诺
Voters remembered the unfilled promises of the previous administration.
选民们记得上一届政府未兑现的承诺。
Use unfilled naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un（不）+ filled（填满）＝没填满的；想到一个空杯子没倒满，或订单没被满足，就是 unfilled。
语域：formal 常见场景：order processing、business correspondence、economic reports 此义多用于商务、贸易或统计等正式书面语境；日常口语中较少单独使用。
unfilled 与 filled、thrilled、spilled、chilled、grilled 都发 /ɪld/，是真正的押韵词；注意 field /fiːld/ 拼写相近但元音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.