[adjective] [not gradable] - done after or relating to the period after marriageA postnuptial agreement is a legal agreement which shows the rights of married partners, esp. to property, if their marriage comes to an end.See also prenuptial agreement at prenuptial.
POSTNUPTIAL
Meaning of POSTNUPTIAL in English
Cambridge English vocab. Кембриджский английский словарь. 2012