Co-sign,

Definition of Co-sign:

1. Sign (document) with others or others.

2. Sign and agree together. The person who signs the ■■■■■ loan is responsible for repaying the loan when the other person does not lend it. Steve signed a ■■■■■ loan so that Amy could get a car loan despite her bad reputation.

3. Sign with others (loan or lease) to secure payment.

How to use Co-sign in a sentence?

1. If you do not have a credit history, you will need someone to sign your loan.