Britannica.com: Encyclopedia Articles on the Marriage Agreement These examples are automatically selected from different online sources of information to reflect the current use of the term „pre-marital agreement.“ The opinions expressed in the examples do not reflect the views of Merriam-Webster or its publishers. Send us comments. Synonyms:Prenup, agreement reached before marriage, Miranda and we had no children, and we had our marital arrangement as soon as we applied for divorce, it was completed in a waiting period of nine or ten days. See the full definition of the marital convention in the „prenuptial agreement“ dictionary of English learners. Synonyms.com. STANDS4 LLC, 2020. Web. 1 Dec 2020. . Thank you for your vote! We are very pleased with your support. a legal document signed by both parties before the marriage breakdown, indicating the rights to the other`s estate after a subsequent divorce.