catatoniac
/kætəˈnɔɪɪæk/Definitions
1. noun
A person who suffers from catatonia, characterized by immobility and a lack of response to stimuli.
“The psychiatrist diagnosed the patient as catatoniac, which required specialized care.”
2. adjective
Relating to or characterized by catatonia.
“The catatoniac episode lasted for several days before the patient began to recover.”