noun
- a person who signs a document along with one or more other people
Usage: formal
adjective
- relating to or being a person who signs a document along with others
Usage: formal
Examples
- Each cosignatory to the treaty must ratify it in their own country.
- The loan required three cosignatories to guarantee payment.
- As a cosignatory nation, we are bound by the terms of the agreement.
- The cosignatory parties met to discuss implementation of the contract.
- She became a cosignatory when she agreed to back the business loan.
- All cosignatory members have equal voting rights in the organization.