1To cancel, make ineffective, invalidate, nullify, void. 2To judicially declare something to be void either from the date of decree or ab initio. 3 To make an ecclesiastical or judicial declaration that a marriage is void ab initio and never existed. See also divorce. answer answer 1v.To respond to a pleading, discovery request, or other judicial process or procedural step. 2 v. To address or counter allegations, account for one's actions, or otherwise put up a defense. 3v.To assume the liabi...