A
gentlemen's agreement or
gentleman's agreement is an informal and legally non-binding between two or more parties. It is typically oral, though it may be written, or simply understood as part of an unspoken agreement by convention or through mutually beneficial
etiquette. The essence of a gentlemen's agreement is that it relies upon the
honor of the parties for its fulfillment, rather than being in any way enforceable. It is, therefore, distinct from a
legal agreement or contract, which can be enforced if necessary.