Definitions of ex parte
an ex parte application is made to a court where only one side is present at the hearing and no notice is given to the other side. Such ex parte applications are often made when the application is for an injunction (=a court order preventing a person from doing something, ordering a person to stop doing something or ordering a person to carry out some action).
She had not been notified of Mr McFeely's ex parte application to the court.
on behalf of; by one party only
He testified ex parte in the divorce proceedings.