disorientated
adjective /dɪsˈɔːriənteɪtɪd/
  /dɪsˈɔːriənteɪtɪd/
(also disoriented 
 /dɪsˈɔːrientɪd/
  /dɪsˈɔːrientɪd/
)- unable to recognize where you are or where you should go
- It is very easy to get lost or disorientated in a smoky atmosphere.
 
 - feeling confused and unable to think clearly
- Sleep deprivation can leave people disorientated.