dis‧or‧i‧en‧ting /dɪsˈɔːrientɪŋ/ (also dis‧or‧i‧en‧tat‧ing /dɪsˈɔːriənteɪtɪŋ/ British English) adjective

1. making someone not know where they are or which direction they should go:
a disorientating maze of corridors

2. confusing 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]

[TahlilGaran] Dictionary of Contemporary English ▲