cosign

Intermediate (B1)

IPA: /ˈkoʊsaɪn/

KK: /ˈkoʊˌsaɪn/

verb

Definition

To sign a document together with someone else, usually to guarantee or support something.

Example

She agreed to cosign the loan for her friend.

Tense Forms

Past: cosigned

Past Participle: cosigned

Conversation

Hey, could you help me out and cosign this loan application?

Sure! I don’t mind co-signing for you.

Thanks! I really appreciate your support with this.

No problem! Just let me know when you need me to sign.

Synonyms & Antonyms

Synonyms

endorse

sign

guarantee

Antonyms

reject

deny

disapprove

Root Explanation

Cosign → It is formed from "co-" (meaning together) and "signare" (meaning to sign). The word "cosign" means to sign together, typically referring to a situation where two or more parties sign a document or agreement.

Memory Tip

Think of two people 'together' ('co-') 'signing' ('signare') a document — that's what cosign means.

Visually Confused Words

consign

coign

coresign

cousin