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to co-sign
01
to sign a document jointly with another person or entity
Grammatical Information
action verb
regular
present tense
co-sign
3rd person singular
co-signs
past simple
co-signed
past participle
co-signed
Examples
Both partners co-signed the contract.
02
to sign a document in addition to another person's signature to guarantee a loan or financial obligation
Examples
She agreed to co-sign her friend's car loan.
