co-signer

IPA/ˌkəʊˈsaɪ.nər/
IPA/ˈkoʊˌsaɪ.nɚ/

co-signer — 名詞

1. a person who signs a loan or rental agreement together with the main applicant,

1.名詞B2
釋義

連帶保證人

為他人貸款或租約作擔保的人

a person who signs a loan or rental agreement together with the main applicant, agreeing to take over payments if that person fails to pay

例句

Without a co-signer, the bank would not approve Yuki's student loan application.

如果沒有連帶保證人，銀行不會核准 Yuki 的學生貸款申請。

co-signer + of + [document]: who guarantees repayment

Because Wei had little credit history, his aunt became the co-signer on his apartment lease.

因為 Wei 的信用記錄很少，他阿姨成為了他公寓租約的連帶保證人。

同義詞
  • guarantor

    a broader term covering any person who guarantees a debt or obligation, not only by signing

  • surety

    formal legal term; the surety may put up assets rather than just a signature

反義詞

文法句型

co-signer + of + [agreement/document]

act as (a) co-signer

用法筆記

The co-signer is legally liable for the full amount borrowed, not just a share. Credit checks are normally run on the co-signer just as on the main applicant.

常見錯誤

❌My father was a co-signer of the document.' (when paying a loan is meant).
✅My father was a co-signer on my student loan.
💡use 'on' or 'for' a specific financial agreement, not 'of' which fits sense 2 better.

2. any entity that formally endorses an official document alongside other parties,

2.名詞C1
釋義

連署人

共同簽署文件的一方

any entity that formally endorses an official document alongside other parties, signalling agreement or joint accountability by means of a signature

例句

Fourteen nations served as co-signers to the international climate agreement.

共有十四個國家擔任這項國際氣候協議的連署人。

co-signer + to + [agreement]: formal joint participation

The trade treaty requires each co-signer to remove tariffs by the end of the year.

這項貿易條約規定每位連署人必須在年底前取消關稅。

同義詞
  • cosignatory

    a more formal, legal variant with the same meaning

  • signatory

    broader — a signatory may be the only party signing, while a co-signer signs alongside others

文法句型

co-signer + of + [document/treaty/statement]

co-signer to + [agreement]

用法筆記

Unlike sense 1, this sense carries no financial guarantee. The co-signer merely signals joint endorsement of a statement, treaty, or resolution.

常見錯誤

❌Canada was a co-signer on the new trade deal.
✅Canada was a co-signer of the new trade deal.
💡for treaties and official documents, 'of' is standard; 'on' is used for financial agreements (sense 1).