custodial /kʌsˈtoʊ.di.əl/ adjective5 •Providing protection, care, supervision or guarding.My custodial efforts have kept my daughter safe her whole life. •Providing punishment by incarceration.People don't usually get any custodial time for those charges. •Occurring while in custody.Suspects must be treated respectfully during custodial processing. •Of, pertaining to or providing custody, especially of a child.I disagree with the judge's custodial decision. •Related to the work of a custodian.Don't neglect your custodial duties. formsmore custodial · most custodial