One who jointly signs a negotiable instrument with another person to assist the other signer to obtain a loan and, by doing so, assumes full liability for the loan should the other signer ever default on the loan contract. Also called a comaker. See also accommodation party and surety.
Webster's New World Law
(law) A person who accepts joint responsibility for the debt of another.
Other Word Forms of Cosigner
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Words Starting With C and Ending With R