The term "catatoniac" refers to a person experiencing catatonia, a state characterized by immobility, withdrawal, and disconnection from reality. Some synonyms for this word include "catatonic," "stuporous," "unresponsive," "withdrawn," "motionless," and "rigid." Other related terms might include "coma," "vegetative state," and "unconsciousness." These words all convey a sense of a person being disconnected from their environment and lacking the ability to respond to stimuli. While catatonia may be caused by a variety of factors, including mental illness and neurological disorders, it is vital to seek help from a trained medical professional if someone is exhibiting these symptoms.