disorientingdis‧or‧i‧en‧ting /dɪsˈɔːrientɪŋ/ (also dis‧or‧i‧en‧tat‧ing /dɪsˈɔːriənteɪtɪŋ/ British English) adjective 
1making someone not know where they are or which direction they should go: 
a disorientating maze of corridors2confusing you and making you not certain about what is happening around you: Lack of sleep can be disorienting.—disorient (also disorientate British English) verb [transitive]—disorientation /dɪsˌɔːriənˈteɪʃən/ noun [uncountable]
1making someone not know where they are or which direction they should go: a disorientating maze of corridors2confusing you and making you not certain about what is happening around you: Lack of sleep can be disorienting.—disorient (also disorientate British English) verb [transitive]—disorientation /dɪsˌɔːriənˈteɪʃən/ noun [uncountable]