cosign(redirected from cosigning)
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v. to sign a promissory note or other obligation in order to share liability for the obligation.
cosignverb accredit, answer for, approve, assure, authorize, back, be surety for, certify, confirm, countersign, endorse, give assurance, give one's signature, guarantee, indorse, insure, promise, ratify, secure, support, undersign, underwrite, validate, vouch for
Associated concepts: accommodation indorser, accommooation party
See also: indorse, witness